Fine, fine, you've forced it out of him. There's that poof of smoke or whatever and instead of a puppy it's a muscular dude.

"I said that the real me is the Arcanine me. The human body is just something I'm borrowing to go to school. This isn't real me. Real me is covered in fur," several handfuls of chest hair were poking out of the top of his shirt, "and stripes" his forearms were clearly striped, "and I breathe fire," he does this as a human, "and I'm so cute," ditto, "and walk on all of my legs," okay that's different, "and I'm a dog!" also something different.