If you're afraid of CF breaking, good job on choosing a Ti bike with the most safety critical part being made out of CF. 😂
Meh. In the end, in ten years all the compounded improvements will make getting a new bike attractive and the bikes wear over time. Plus, scratches from falls accumulate, jumping over potholes and speed bumps can cause material fatigue or similar issues, and it will be a perfect time to sell it and ride on something fresh.
On the other hand I know plenty of people riding 15 year old CF bikes without issue