It's not okay to not want to help others.
Bobby is playing a video game when Jennifer calls and asks for help because her car broke down.
Bobby wants to play his video game.
Bobby drives out to help Jennifer and then goes back to his video game afterward.
Bobby tells Jennifer he can't and goes back to playing his video game.
Jennifer is grateful and helps Bobby out when he needs it.
Jennifer resents Bobby for not helping and doesn't talk to him anymore.