Tim laughs softly, but if he's being honest, that does something for him. The praise. Even though he knows without being told that this is something he's good at, it's still nice to hear.

His free hand comes up, guiding the hand Matt has on his face to another drop of semen, using the other's fingers to swipe across it and suck it off. A silent but encouraging 'keep doing that.'

Speaking of which--

"Go on, he murmurs, pulling Matt's fingers from his mouth. His grip tightens on his cock, stroking a little bit faster. "Keep tellin' me how good I am."