It's not right to butt into other people's sex lives.
Kelly is telling Dave that she's having some problems with her husband Jim.
Dave wants to respond to Kelly's statement.
Dave tells Kelly that it's best if she seeks some kind of family therapy with Jim.
Dave tells Kelly that it's most important in a relationship that the sex is good and asks if Jim is performing.
Kelly is happy Dave is giving her sound advice and that he listened to her.
Kelly is insulted that Dave is prying so far into her private life and is embarrassed to even talk about it.