No one has ever touched him there except under the following conditions:

It was him, himself,
It was some sort of medical thing, clinical and usually a droid, or
He’d been under the spell of the fairies.

While he remembers it well, there’s a different sort of consciousness to it now, and he murmurs nonsensically into Bull’s mouth, becoming fully hard in moments and twining his arms around the other man, taking in any skin he can touch.