In the end it was only the need for air that forced him back from Castiel's mouth. He turned his head to the side to catch his breath and regarded the angel from beneath heavy lids and long lashes. He was already half hard, and the heady pull of arousal was making it difficult to think about anything else, every half-formed fantasy of what he wanted the angel to do to him. Being forced to his knees, the angel's dick in his mouth, or on the bed, the angel looming over him as he spread his legs, fingers stretching himself for Castiel's pleasure.