He chuckled at the leg tangling. He'd always enjoyed that about Kirk, the fact that Kirk loved physical contact almost as much as he did.
He slid an affectionate hand across Kirk's side, something niggling in the back of his mind about something seeming different today. Something about the quality of the skin his hand was running over. It seemed... tighter, almost. Not that Kirk had got fat or anything, over the years, but he'd inevitably filled out a little, softened a bit.
He frowned, pulling back to try and see Kirk's face. "Something's different."