"I haven't tested the theory." Maybe there is somebody who takes baths in the middle of the night after their patrol, he hasn't scouted the tent out. It's just a safe bet.

He sighs at the feeling of Ratchet's mouth, even though he's got a few days growth of beard it's soft and inviting. Warmth blossoms in his chest and he turns his head to kiss Ratchet properly. He missed this, too, the excited rush of sensation that being close to someone else brings, especially someone new. And this is still new. He feels like he learns something new each time, like they're still exploring one another.