Until his own feelings for Serena resurface. He goes for it, and it's actually pretty sweet; he confesses that he almost told her he loved her two years ago, and leans in for the kill . . . until Trip comes to the bar, wounded by the revelation that his crazy wife Maureen was the one who set up the Hudson Hero scam. Obviously, Serena dives into that opportunity, but I don't think it's the last we'll see of Nate's feelings for S.
So as one triangle ends, so begins another.