diff --git a/s07_skill_loading/code.py b/s07_skill_loading/code.py
index fd3a5d9..40d8680 100644
--- a/s07_skill_loading/code.py
+++ b/s07_skill_loading/code.py
@@ -344,13 +344,10 @@ def agent_loop(messages: list):
     global rounds_since_todo
     while True:
         if rounds_since_todo >= 3 and messages:
-            last = messages[-1]
-            if last["role"] == "user" and isinstance(last.get("content"), list):
-                last["content"].insert(0, {
-                    "type": "text",
-                    "text": "<reminder>Update your todos.</reminder>",
-                })
-
+            messages.append({"role": "user",
+                             "content": "<reminder>Update your todos.</reminder>"})
+            rounds_since_todo = 0
+            
         response = client.messages.create(
             model=MODEL, system=SYSTEM, messages=messages,
             tools=TOOLS, max_tokens=8000,