Yes, we can guess.

No, we fuckin' know what he's been up to. I hope he doesn't wipe his face but wears it like a badge of honour like I used to do when my face was splattered like this in a public shithouse or cruising around. If I sucked a guy off I always made sure a good trickle off cum was let out of my mouth to dribble down onto my beard - and I got a great kick when another guy mentioned it, nearly always with a friendly laugh.