That silence thing was probably the hardest thing that Isaac had ever done, and they were just getting started. Something made abundantly clear as that single digit pressed to him, starting to penetrate him.

"Alan." Mewling his name, the high sound the best way he found to stay silent. Silent definitely but not still. His fingers ran over Alan's calves, up along to his thighs. Teasing over the springy hairs, lightly teasing his nails against his skin. Shifting slightly, getting a hand up further to tease his fingertips along Alan's sac, stroking beneath as he could.