It's rude to ask your classmates for their food.
Bella is at school eating lunch with her friends, and she sees one of her friends with a twinkie.
Bella wants to eat a twinkie.
Bella stops at a store on the way home from school and buys a twinkie.
Bella asks her friend with the twinkie over and over if she can have it.
Bella's friend still likes Bella and everyone is happy.
Bella's friend feels very uncomfortable and eats lunch away from Bella from then on.