Mary, now completely male, stands in her (his) pink silk robe. John stares, wide-eyed at Mary.
"Call me Mark, now!" Shouted ex-Mary in her new deep voice.
She (he!) started to explore his new body: he caressed his firms pectorals, where now grows a thick amount of curly hair, with his big hands, then flexes his big biceps in a body builder pose that would made shame to Mr. Olimpia. He moved one step with his long and strong legs, covered by the same thick hair, sporting a good erection of his 15" dick between.
"Suck it, bitch!" - Growled.