Blue balled and exposed

Chris grabs his worry stone and starts to finger the inside of his foreskin, until it recedes into tight shaft skin, rubbing the outside of the glans corona and felt a need to cradle his balls, he massaged his testes in tender circular motions.

Just as he was about to start to get a full woody, the female doctor walks back in without knocking, catching the sight of what looks like Chris twiddling his thumbs in front of his crotch on the side of the divider screen.

As she approaches and says "You about done?" he is startled and in jolting his elbow he knocks over the screen. Leaving him with the other hand on his almost 4 inch simi, as they baskin silence of this awkward moment of catching a patient servicing himself,

Until...