"Oh fuck, I'm still so close," Danny huffed with frustration. "I don't know why I can't get there. Are you sure I have to cum in order to change back?" His roommate looked on in wonder before rummaging back through the book.
"All it says is that once the recipient is fully satisfied, they will return to their true form." Steve wasn't too upset about accidentally casting the spell with the show he was getting.
"Mmmm god, why can't I just get off already?" Danny was getting exaspirated. "I've been edging for hours now, and nothing seems to get the job done in this body! What gives?"
"Well," Steve started shyly. "There is one thing we haven't tried." Danny didn't have to ask. He knew what Steve meant. He had to admit his own mind was starting to betray a new set of desires, and his eyes were having a tough time looking away from the bulge in Steve's pants.