He's already stripping off his shirt to head to bed, heading up to the bedroom where he's going to enjoy bedding down for the night, wrapped up in Jake, even if he doesn't intend for anything to happen. They need to be sharp for the morning, which means no touching.

It's just one more of the things that Jake is going to get to learn about Cougar and hopefully even love, despite the fact that he's having something denied of him.