Mitchell understood, on some level. He'd made Samandriel uncomfortable, but the boy was quick to let him know--which was good. He let the angel redirect his mouth, kept it close as he stroked the boy more urgently, putting his pleasure before his own. He wanted to witness this, wanted to watch him give in, and then put him back together.
He kept his own vocalizations to nonverbal encouragements, drawing Samandriel into deeper and deeper kisses.