It's best not to get vindictive in your romantic relationship.
Larry's wife Pam admits to Larry that she has been cheating on him for quite a while.
Larry wants to react to the bad news.
Larry tells Pam that their marriage is over and that she should get a lawyer.
Larry tells Pam that it's OK, he's going to go out to the bar tonight and have an affair as well.
Larry finds some inner peace after he gets to be alone to reconstruct himself after his divorce.
Larry finds that he gets no fulfillment from having an affair out of spite and that his marriage is over either way.