Answer:
You cannot keep me until you have given me. What am I?
I'm really blue but when you see me I'm red. You don't see me too often. I'm there for you if you're hurt.
Goes over all the hills and hollows, Bites hard, but never swallows.
I store fire-breathing animals.
If there is a bee in my hand, what is in my eye?
I fly to any foreign parts assisted by my spreading wings. My body holds an hundred hearts Nay I will tell you stranger things when I am not in haste I ride and then I mend my pace anon.