Answer:
What runs but never walks has a mouth but never talks has a head but never weeps has a bed but never sleeps?
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
What has 13 hearts but no other organs?
I am the book one can never finish reading
What always goes to bed with its shoes on?
No matter how little or how much you use me, you change me every month.