Chloe's 4th Birthday Promises

Chloe, not sure if she is aware of what she is doing, has been making promises on things she will do when she turns 4. She said she will:
1. pooh in the toilet (she is doing her big business on her diaper now).
2. do away with her soft blue handkie (her comfort toy for bedtime).
3. buckle herself when she is on her car seat

I was trying to get her to promise to sleep on her own, and she firmly replied, 'but I am still so small!'
Lucas has been keeping track of her promises and said will remind her of her promises when she is 4.
Well, it is only 4 months away.