Easier Done than Said - It’s like when your mom says you can have dessert if you eat

It’s like when your mom says you can have dessert if you eat your vegetables. Then you realize you didn’t eat your vegetables.

I said I’d do the laundry. Then I remembered I didn’t have any socks.

I told you I’d help with dinner. I just forgot what dinner was.

I said I’d do my homework. I just forgot it existed.