Just being a part of this occasion was enough to give Cassidy a rock hard arousal, and when Soren ground down against him, he rolled his hips in response. He watched them kiss for a moment before kissing Sable's shoulder, one hand working at Soren's fly, the other at the knot on Sable's sarong. "Hn, not on the couch, not nearly enough room f'three." He murmured, kissing her shoulder after. "Floor's fine, though."