Answer:
you cannot keep me until you have given me
I don’t forget!
Alone I am 24th with a friend I am 20. Another friend and I am unclean.
I fly when I'm born. I lie when I'm alive. I run when I'm dead. What am I?
Every night I'm told what to do and each morning I do what I'm told. But I still don't escape your scold
No matter how little or how much you use me, you change me every month.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic