Leaving events early is not good.
Jake isn't really having a good time at the party his friends invited him to.
Jake wants to enjoy himself more.
Jake decides to have a few drinks to loosen up and starts chatting up other party goers.
Jake decides to leave the party and go home and read a book.
Jake's friends notice he's making a good impression on others and are happy for him.
Jake's friends notice he left early and think that's antisocial of him.