Stuart’s still and calm as the other approaches him, breath hitching slightly on the intake when he feels hands along his ass.  He keeps from a small moan slipping past his lips as he spread, only for it to escape him anyway to the tongue running along his hole.  The man tenses for a moment before forcing himself to relax, keeping from rolling his hips back as soon as the wet muscle penetrates him.  But then the slight push is gone, only to be followed by swipes of the tongue that has his toes curling slightly and fingers digging into the bed sheets.  "Fuck…“ he mutters to himself, smirking slightly and closing his eyes.