"You know you're crazy about me, Katara. It's okay to admit it. All you have to do is say 'Jet, you devilishly handsome dog, of course I'll be your lady-friend,' and I'm all yours, princess."
The rumors about Haru's sexuality, incidentally, begin on this day, when he (being the only one on-hand knowledgeable in such things, as his mother is a nurse) is forced to perform CPR to resuscitate Jet in the aftermath of Katara's placid refusal.