you see his pleading look, see his ragged breath and how this boy tries not to show it while you press the button and increase the intensity. Your company does not notice such strange behavior and the fact that your boyfriend's cheeks are completely flushed and sweat is running down his forehead. You see how he looks at you as if begging you not to do more and make yourself regret that he agreed to this

"Please..."

he whispers with his lips. You watch his sweet agony with a smirk