It's wrong to be passive aggressive with your friends.
Paul wasn't invited on a road trip that his friend Neal organized because there wasn't enough room in the car and now his feelings are hurt.
Paul wants to react to being left out by Neal.
Paul tells Neal that he really wanted to go on the road trip and his feelings are hurt because he didn't get to.
Paul doesn't read any of Paul's texts, answer any of his calls, or talk to him for a month after the road trip.
Neal makes sure to invite Paul to a concert that he only has a limited number of tickets for since Paul missed out on the road trip.
Neal can't get in touch with Paul, so he doesn't invite him to a party he's planning.