Steve's hard for it now, literally aching, and he loses all center of balance the minute Danny swallows him down, into the wet heat of his mouth. His elbow slips and his head falls back, one hand gripping at the bedsheets as the other cups the back of Danny's head. Steve sucks in a deep breath, but when he exhales, it all comes out in one long groan. "Oh, God - Danny, where did you even - "