1. I've got a lot on my plate.

2. Most people considered him a harmless eccentric.

3. My nerves got the best of me.

4. I've let my emotions get the best of me.

5. We don't know what life holds in store for us.

6. Don't tell me what to do.

7. It's not rocket science.

8. What am I to you?

9. Back to square one.

10. That might come in handy.

11. Some of these are bound to come in handy.

12. I won't let you down.

13. You've gone too far.

14. Don't bother.

15. Watch your mouth.

16. I had to have a heart-to-heart talk with her.

17. You give your children enough money to do something, but not enough to do nothing.

18. Don't get ahead of yourself.

19. Don't flatter yourself.

20. My hands are tied.

21. You talk too much.