diff --git a/Cargo.toml b/Cargo.toml
index 0400ebd..9d6bea4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,3 +11,4 @@ seahorse = "*"
 rusqlite = { version = "0.29", features = ["serde_json"] }
 shellexpand = "*"
 fs_extra = "1.3"
+rand = "0.9.1"
diff --git a/example.json b/example.json
index 6df5aef..0876118 100644
--- a/example.json
+++ b/example.json
@@ -26,5 +26,17 @@
       "おはよう！今日もがんばろう！",
       "ねえ、話したいことがあるの。"
     ]
+  },
+  "last_interaction": "2025-05-21T23:15:00Z",
+  "memory": {
+    "recent_messages": [],
+    "long_term_notes": []
+  },
+  "metrics": {
+    "trust": 0.5,
+    "intimacy": 0.5,
+    "energy": 0.5,
+    "can_send": true,
+    "last_updated": "2025-05-21T15:52:06.590981Z"
   }
-}
\ No newline at end of file
+}
diff --git a/src/chat.rs b/src/chat.rs
index d6bb18b..72844e2 100644
--- a/src/chat.rs
+++ b/src/chat.rs
@@ -4,7 +4,7 @@ use std::process::Command;
 use serde::Deserialize;
 use seahorse::Context;
 use crate::config::ConfigPaths;
-use crate::metrics::{load_metrics, save_metrics, update_metrics_decay};
+use crate::metrics::{load_user_data, save_user_data, update_metrics_decay};
 
 #[derive(Debug, Clone, PartialEq)]
 pub enum Provider {
@@ -46,33 +46,28 @@ pub fn ask_chat(c: &Context, question: &str) -> Option<String> {
     let config = ConfigPaths::new();
     let base_dir = config.base_dir.join("mcp");
     let script_path = base_dir.join("scripts/ask.py");
-    let metrics_path = config.base_dir.join("metrics.json");
-    let mut metrics = load_metrics(&metrics_path);
+    let user_path = config.base_dir.join("user.json");
 
-    update_metrics_decay(&mut metrics);
-
-    if !metrics.can_send {
-        println!("❌ 送信条件を満たしていないため、AIメッセージは送信されません。");
-        return None;
-    }
+    let mut user = load_user_data(&user_path);
+    user.metrics = update_metrics_decay();
 
+    // Python 実行パス
     let python_path = if cfg!(target_os = "windows") {
         base_dir.join(".venv/Scripts/python.exe")
     } else {
         base_dir.join(".venv/bin/python")
     };
 
+    // 各種オプション
     let ollama_host = c.string_flag("host").ok();
     let ollama_model = c.string_flag("model").ok();
     let provider_str = c.string_flag("provider").unwrap_or_else(|_| "ollama".to_string());
     let provider = Provider::from_str(&provider_str).unwrap_or(Provider::Ollama);
-    //let api_key = c.string_flag("api-key").ok().or_else(|| crate::metrics::load_openai_api_key());
-    let api_key = c.string_flag("api-key")
-        .ok()
-        .or_else(|| load_openai_api_key());
+    let api_key = c.string_flag("api-key").ok().or_else(load_openai_api_key);
 
     println!("🔍 使用プロバイダー: {}", provider.as_str());
 
+    // Python コマンド準備
     let mut command = Command::new(python_path);
     command.arg(script_path).arg(question);
 
@@ -93,12 +88,10 @@ pub fn ask_chat(c: &Context, question: &str) -> Option<String> {
 
     if output.status.success() {
         let response = String::from_utf8_lossy(&output.stdout).to_string();
-        println!("💬 {}", response);
+        user.metrics.intimacy += 0.01;
+        user.metrics.last_updated = chrono::Utc::now();
+        save_user_data(&user_path, &user);
 
-        // 応答後のメトリクス更新
-        metrics.intimacy += 0.02;
-        metrics.last_updated = chrono::Utc::now();
-        save_metrics(&metrics, &metrics_path);
         Some(response)
     } else {
         eprintln!(
diff --git a/src/commands/mcp.rs b/src/commands/mcp.rs
index 46338c8..db03704 100644
--- a/src/commands/mcp.rs
+++ b/src/commands/mcp.rs
@@ -9,6 +9,7 @@ use crate::chat::ask_chat;
 use crate::git::{git_init, git_status};
 use crate::config::ConfigPaths;
 use crate::commands::git_repo::read_all_git_files;
+use crate::metrics::{load_user_data, save_user_data};
 
 pub fn mcp_setup() {
     let config = ConfigPaths::new();
@@ -160,7 +161,8 @@ fn chat_cmd() -> Command {
         )
         .action(|c: &Context| {
             let config = ConfigPaths::new();
-
+            let user_path = config.data_file("json");
+            let mut user = load_user_data(&user_path);
             // repoがある場合は、コードベース読み込みモード
             if let Ok(repo_url) = c.string_flag("repo") {
                 let repo_base = config.base_dir.join("repos");
@@ -188,14 +190,24 @@ fn chat_cmd() -> Command {
                 } else {
                     eprintln!("❗ 提案が取得できませんでした");
                 }
+
                 return;
             }
 
             // 通常のチャット処理（repoが指定されていない場合）
             match c.args.get(0) {
                 Some(question) => {
-                    if let Some(response) = ask_chat(c, question) {
-                        println!("💬 応答:\n{}", response);
+                    let response = ask_chat(c, question);
+
+                    if let Some(ref text) = response {
+                        println!("💬 応答:\n{}", text);
+                        // 返答内容に基づいて増減（返答の感情解析）
+                        if text.contains("thank") || text.contains("great") {
+                            user.metrics.trust += 0.05;
+                        } else if text.contains("hate") || text.contains("bad") {
+                            user.metrics.trust -= 0.05;
+                        }
+                        save_user_data(&user_path, &user);
                     } else {
                         eprintln!("❗ 応答が取得できませんでした");
                     }
diff --git a/src/commands/scheduler.rs b/src/commands/scheduler.rs
index fe185f0..78cccaa 100644
--- a/src/commands/scheduler.rs
+++ b/src/commands/scheduler.rs
@@ -1,29 +1,105 @@
 // src/commands/scheduler.rs
-
 use seahorse::{Command, Context};
 use std::thread;
 use std::time::Duration;
-use chrono::Local;
+use chrono::{Local, Utc, Timelike};
+use crate::metrics::{load_user_data, save_user_data};
+use crate::config::ConfigPaths;
+use crate::chat::ask_chat;
+use rand::prelude::*;
+use rand::rng;
 
+fn send_scheduled_message() {
+    let config = ConfigPaths::new();
+    let user_path = config.data_file("json");
+    let mut user = load_user_data(&user_path);
+
+    if !user.metrics.can_send {
+        println!("🚫 送信条件を満たしていないため、スケジュール送信スキップ");
+        return;
+    }
+
+    if let Some(schedule_str) = &user.messaging.schedule_time {
+        let now = Local::now();
+        let target: Vec<&str> = schedule_str.split(':').collect();
+
+        if target.len() != 2 {
+            println!("⚠️ schedule_time形式が無効です: {}", schedule_str);
+            return;
+        }
+
+        let (sh, sm) = (target[0].parse::<u32>(), target[1].parse::<u32>());
+        if let (Ok(sh), Ok(sm)) = (sh, sm) {
+            if now.hour() == sh && now.minute() == sm {
+                if let Some(msg) = user.messaging.templates.choose(&mut rng()) {
+                    println!("💬 自動送信メッセージ: {}", msg);
+                    let dummy_context = Context::new(vec![], None, "".to_string());
+                    ask_chat(&dummy_context, msg);
+                    user.metrics.intimacy += 0.03;
+                    save_user_data(&user_path, &user);
+                }
+            }
+        }
+    }
+}
 pub fn scheduler_cmd() -> Command {
     Command::new("scheduler")
         .usage("scheduler [interval_sec]")
         .alias("s")
+        .description("定期的に送信条件をチェックし、自発的なメッセージ送信を試みる")
         .action(|c: &Context| {
             let interval = c.args.get(0)
                 .and_then(|s| s.parse::<u64>().ok())
-                .unwrap_or(60); // デフォルト: 60秒ごと
+                .unwrap_or(3600); // デフォルト: 1時間（テストしやすく）
 
-            println!("⏳ スケジューラー開始（{interval}秒ごと）...");
+            println!("⏳ スケジューラー開始（{}秒ごと）...", interval);
 
             loop {
-                let now = Local::now();
-                println!("🔁 タスク実行中: {}", now.format("%Y-%m-%d %H:%M:%S"));
-                
-                // ここで talk_cmd や save_cmd の内部処理を呼ぶ感じ
-                // たとえば load_config → AI更新 → print とか
+                let config = ConfigPaths::new();
+                let user_path = config.data_file("json");
+                let mut user = load_user_data(&user_path);
 
+                let now = Utc::now();
+                let elapsed = now.signed_duration_since(user.metrics.last_updated);
+                let hours = elapsed.num_minutes() as f32 / 60.0;
+
+                let speed_factor = if hours > 48.0 {
+                    2.0
+                } else if hours > 24.0 {
+                    1.5
+                } else {
+                    1.0
+                };
+
+                user.metrics.trust = (user.metrics.trust - 0.01 * speed_factor).clamp(0.0, 1.0);
+                user.metrics.intimacy = (user.metrics.intimacy - 0.01 * speed_factor).clamp(0.0, 1.0);
+                user.metrics.energy = (user.metrics.energy - 0.01 * speed_factor).clamp(0.0, 1.0);
+
+                user.metrics.can_send =
+                    user.metrics.trust >= 0.5 &&
+                    user.metrics.intimacy >= 0.5 &&
+                    user.metrics.energy >= 0.5;
+
+                user.metrics.last_updated = now;
+
+                if user.metrics.can_send {
+                    println!("💡 AIメッセージ送信条件を満たしています（信頼:{:.2}, 親密:{:.2}, エネルギー:{:.2}）",
+                        user.metrics.trust,
+                        user.metrics.intimacy,
+                        user.metrics.energy
+                    );
+                    send_scheduled_message();
+                } else {
+                    println!("🤫 条件未達成のため送信スキップ: trust={:.2}, intimacy={:.2}, energy={:.2}",
+                        user.metrics.trust,
+                        user.metrics.intimacy,
+                        user.metrics.energy
+                    );
+                }
+
+                save_user_data(&user_path, &user);
                 thread::sleep(Duration::from_secs(interval));
             }
         })
 }
+
diff --git a/src/metrics.rs b/src/metrics.rs
index a2f67b7..54c743b 100644
--- a/src/metrics.rs
+++ b/src/metrics.rs
@@ -1,10 +1,12 @@
 // src/metrics.rs
-use serde::{Serialize, Deserialize};
 use chrono::{DateTime, Utc};
+use serde::{Deserialize, Serialize};
 use std::fs;
 use std::path::Path;
 
-#[derive(Serialize, Deserialize, Debug)]
+use crate::config::ConfigPaths;
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct Metrics {
     pub trust: f32,
     pub intimacy: f32,
@@ -13,86 +15,129 @@ pub struct Metrics {
     pub last_updated: DateTime<Utc>,
 }
 
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Personality {
+    pub kind: String,
+    pub strength: f32,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Relationship {
+    pub trust: f32,
+    pub intimacy: f32,
+    pub curiosity: f32,
+    pub threshold: f32,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Environment {
+    pub luck_today: f32,
+    pub luck_history: Vec<f32>,
+    pub level: i32,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Messaging {
+    pub enabled: bool,
+    pub schedule_time: Option<String>,
+    pub decay_rate: f32,
+    pub templates: Vec<String>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Memory {
+    pub recent_messages: Vec<String>,
+    pub long_term_notes: Vec<String>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct UserData {
+    pub personality: Personality,
+    pub relationship: Relationship,
+    pub environment: Environment,
+    pub messaging: Messaging,
+    pub last_interaction: DateTime<Utc>,
+    pub memory: Memory,
+    pub metrics: Metrics,
+}
+
 impl Metrics {
-    fn default() -> Self {
-        Self {
-            trust: 0.5,
-            intimacy: 0.5,
-            energy: 0.5,
-            last_updated: chrono::Utc::now(),
-            can_send: true,
-        }
-    }
-    /// パラメータの減衰処理を行い、can_sendを更新する
     pub fn decay(&mut self) {
         let now = Utc::now();
-        let elapsed = now.signed_duration_since(self.last_updated);
-        let hours = elapsed.num_minutes() as f32 / 60.0;
-
+        let hours = (now - self.last_updated).num_minutes() as f32 / 60.0;
         self.trust = decay_param(self.trust, hours);
         self.intimacy = decay_param(self.intimacy, hours);
         self.energy = decay_param(self.energy, hours);
-
-        self.last_updated = now;
         self.can_send = self.trust >= 0.5 && self.intimacy >= 0.5 && self.energy >= 0.5;
-    }
-
-    /// JSONからMetricsを読み込み、減衰し、保存して返す
-    pub fn load_and_decay(path: &Path) -> Self {
-        let mut metrics = if path.exists() {
-            let content = fs::read_to_string(path).expect("metrics.jsonの読み込みに失敗しました");
-            serde_json::from_str(&content).expect("JSONパース失敗")
-        } else {
-            println!("⚠️ metrics.json が存在しないため、新しく作成します。");
-            Metrics::default()
-        };
-
-        metrics.decay();
-        metrics.save(path);
-        metrics
-    }
-
-    /// Metricsを保存する
-    pub fn save(&self, path: &Path) {
-        let data = serde_json::to_string_pretty(self).expect("JSON変換失敗");
-        fs::write(path, data).expect("metrics.jsonの書き込みに失敗しました");
+        self.last_updated = now;
     }
 }
 
-/// 単一のパラメータを減衰させる
+pub fn load_user_data(path: &Path) -> UserData {
+    let config = ConfigPaths::new();
+    let example_path = Path::new("example.json");
+    config.ensure_file_exists("json", example_path);
+
+    if !path.exists() {
+        return UserData {
+            personality: Personality {
+                kind: "positive".into(),
+                strength: 0.8,
+            },
+            relationship: Relationship {
+                trust: 0.2,
+                intimacy: 0.6,
+                curiosity: 0.5,
+                threshold: 1.5,
+            },
+            environment: Environment {
+                luck_today: 0.9,
+                luck_history: vec![0.9, 0.9, 0.9],
+                level: 1,
+            },
+            messaging: Messaging {
+                enabled: true,
+                schedule_time: Some("08:00".to_string()),
+                decay_rate: 0.1,
+                templates: vec![
+                    "おはよう！今日もがんばろう！".to_string(),
+                    "ねえ、話したいことがあるの。".to_string(),
+                ],
+            },
+            last_interaction: Utc::now(),
+            memory: Memory {
+                recent_messages: vec![],
+                long_term_notes: vec![],
+            },
+            metrics: Metrics {
+                trust: 0.5,
+                intimacy: 0.5,
+                energy: 0.5,
+                can_send: true,
+                last_updated: Utc::now(),
+            },
+        };
+    }
+
+    let content = fs::read_to_string(path).expect("user.json の読み込みに失敗しました");
+    serde_json::from_str(&content).expect("user.json のパースに失敗しました")
+}
+
+pub fn save_user_data(path: &Path, data: &UserData) {
+    let content = serde_json::to_string_pretty(data).expect("user.json のシリアライズ失敗");
+    fs::write(path, content).expect("user.json の書き込みに失敗しました");
+}
+
+pub fn update_metrics_decay() -> Metrics {
+    let config = ConfigPaths::new();
+    let path = config.base_dir.join("user.json");
+    let mut data = load_user_data(&path);
+    data.metrics.decay();
+    save_user_data(&path, &data);
+    data.metrics
+}
+
 fn decay_param(value: f32, hours: f32) -> f32 {
-    let decay_rate = 0.01; // 時間ごとの減衰率
+    let decay_rate = 0.05;
     (value * (1.0f32 - decay_rate).powf(hours)).clamp(0.0, 1.0)
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use std::path::PathBuf;
-
-    #[test]
-    fn test_decay_behavior() {
-        let mut metrics = Metrics {
-            trust: 1.0,
-            intimacy: 1.0,
-            energy: 1.0,
-            can_send: true,
-            last_updated: Utc::now() - Duration::hours(12),
-        };
-        metrics.decay();
-        assert!(metrics.trust < 1.0);
-        assert!(metrics.can_send); // 減衰後でも0.5以上あるならtrue
-    }
-} 
-
-pub fn load_metrics(path: &Path) -> Metrics {
-    Metrics::load_and_decay(path)
-}
-
-pub fn save_metrics(metrics: &Metrics, path: &Path) {
-    metrics.save(path)
-}
-
-pub fn update_metrics_decay(metrics: &mut Metrics) {
-    metrics.decay()
-}