Marty was aware that he had been trying to be on his very best behaviour around the apartment lately and it was probably the very best thing to do. If he wanted to live somewhere other than a couch and get his amazing tv back, that is.
But this opportunity was way too golden to give up! He recognized the expression that had been on Pete's face over the past couple days from the girls around Leda's office back in the day. "Who ya texting, Black? Your boyfriend?"