“What’s happening to both of us, you mean.” Dennis said.
“Huh?” David asks, confused.
Dennis’ shoes and socks both vanished off his feet. Then, like David's clothes before him, Dennis’ clothes began fading away. Within 3 minutes his clothes had faded out of existence leaving him totally naked.
"David, I can't remember ever wearing any clothes." Dennis said. This alarmed David because it suddenly occurred to him "I can't remember you ever wearing any clothes either, brother."
Dennis watched, jaw hanging, as his penis deflated, shrivelled up, and vanished, replaced by a reptilian slit, surrounded by a covering of scales, which soon spread over his body, like his brother. The scales mostly retained the skin colour, but with a slight reddish tinge to them, unlike David.
David realised what was happening - Dennis was turning into a monster, just like him!