He's not expecting the hug at all, but his surprised stiffness fades quickly and he returns it. "I'm assuming this means that you like it." Once upon a time, he would have followed that up with a joking comment along the lines of or you're just looking for an excuse to grab my ass. There's none of that now. Instead, he adds, "Or that you don't hate it, anyway."

When Steve lets go, Tony does too and steps back with a smile that reaches his sightless eyes. "Merry Christmas, Steve."