As he felt the tightening around his member and saw her begin to touch her teeth to her bottom lip, Thaddeus knew it would be soon.  He started focusing on his own pleasure, concentrating on the sexy woman below-above him.  The sudden switch lost him his focus, and his climax seemed further away now than possible.  Thaddeus thumped his head back on the floor as he slowed his thrusting to a resigned pace, knowing Suzanne was likely not in the mood to be charitable.