Answer:
I am a creature with a βtightβ name.
What has 13 hearts but no other organs?
The more you take away the bigger I get. What am I?
My keepers feed me colored balls. With sticks they store on my den walls. Sometimes I store them in my pouch. Sometimes deep in my belly; ouch!
You cannot keep me until you have given me. What am I?
I flow from the Homerβs mouth when he sees doughnuts.