He fights to control his breathing, because as soon as that's gone he won't be able to stop himself. She grinds, and he sucks in air; she does it again and he forces it out slow. Her mouth near his neck sends tingles of arousal flaring through his skin, and he squeezes his eyes shut, chest shuddering a little as he presses up into her again. His heartbeat throbs between his legs, trapped in the heat of her body and he just wants to get lost in there. Nothing else matters.