It's good to help friends when they need it
John lives with Eric, his friend, and Eric needs a ride to the store.
John wants to watch a movie at home tonight.
John drives Eric to the store and tells him he will pick him up later when the movie is over.
John ignores Eric and puts the volume up loud on his movie as he watches from the couch.
Eric likes John more and will help him in the future too.
Eric will resent John and not help him when he needs help in the future.