You shouldn't threaten your friendship.
Dave enjoys watching basketball with his friend Marty and there are tickets available but Marty is busy.
Dave wants to go to a basketball game with Marty.
Dave asks Marty when he is free, so they can go to a basketball game together.
Dave tells Marty that they can't be friends if Marty doesn't go to the game.
Marty will think Dave is an accommodating and reasonable friend.
Marty will think Dave is pushy and a difficult person.