Even though part of Jon wanted to resist this change as much as he could, he found himself powerless to do so, thoroughly enthralled despite his fading rational mind screaming at him for being so.
He continued with the cowgirl for some time, longer than he ever had before, until she decided she was done and slipped off of him, clambering out from underneath and standing back up on two legs.
"Don't worry," she said to him, patting him on the shoulder. "We all have to start somewhere. Who knows, maybe if you're good, you'll eventually be evolved into a humanoid like us! We sure could use a bouncer..."
She gently guided him along as the bar began to clear out, the still-human patrons leaving, as if mentally commanded to do so, leaving Jon alone with the cow girl waitresses.
"So how lucky are we, huh?" the one leading him said. "We get a new cow and a new bull in one night!"
"Haven't had ourselves a bull in a long time," another chimed in, opening the door to the stalls. Jon's hazed-over mind remembered being in there, but couldn't recall why or when. "Better make sure we treat him good."
He plodded his way into the stall, and was led into the one next door to a bald cow. The barest hint of recognition flared in his mind, even though she seemed to be unaware of anything but being milked.
"Mrrrr..." he lowed, trying to form the words with his new mouth. "Alexis..."