Ty watched the boy turn pale, get out of the pool and stretch the waisteband of his speedo so that he could peer at his junk. He knew what had happened. He disproved. Ben-in-Jack's body was headed towards him. Doubtless to check out his new body further in the privacy of the locker room. Ty started to think of an interesting punishment. As soon as Ben walked into the doorway, Ty's hand whipped down and grabbed Jack (now Ben's penis)and led the hapless couple into the depths of the locker room.
"Ben, I need your head." He stroked Jack, who stiffened into an erection. The colour came back to Ben-in-Jack's body as the paleness focused around his stomach and sunk in. There was now a large bulge in his stomach. Ty continued stroking Jack-the-penis until the orgasm. The stomach bulge contracted and moved towards the penis rapidly. It stretched the urethra to comical proportions and moved up the shaft. Ben's nose emerged from the slit and afterwards his entire head emerged and fell to the ground. After his moment of pain, Jack now reinhabited his old body and moaned. Then he fell to the ground, sobbing for his stretched-out penis. He tried and could fit his entire hand in the urethra. Poor penis.
Ty grabbed Ben's head and exited the room. Now to explain his plans for Ben: