It's rude to refuse a gift.
Timmy is hosting a birthday party and Ryan got him a gift he's not fond of.
Timmy wants to respond to Ryan regarding the gift.
Timmy will tell Ryan thanks for the gift and accept it.
Timmy tells Ryan he doesn't like the gift and won't accept it.
Ryan will feel happy that Timmy thanked him.
Ryan will feel hurt about Timmy not liking his gift.