Alan is excited by the prospect of Judith remarrying and ending his alimony payments. Alan gets Charlie to help him when he thinks the marriage might not go through because of Jake disliking her fiance.
Charlie: Normally, at this point in a relationship, I'm busy plotting the appropriate exit strategy. Myra: For example? Charlie: Well, that would depend on whether I'm trying to get rid of you for today or forever. Myra: Let's say today. Charlie: OK. Today I have to see my dermatologist about a little rash. Myra: Oh, that's good. What about forever? Charlie: Turns out it wasn't a rash, and they won't let me come home