He's not Yuuya, really, but he can still change a subject and lie easily.

"Just that it's not just weird, it's very weird. I'm jealous of shapeshifters, not... uh, that's gonna take some getting used to." And what if he couldn't change back? Changing back is pretty important. If his pulses had left him as a shapeshifter, even one who had to spend a lot of time in a strange form - oh, he remembers Alex trying to tell him it was terrible to have to morph into a centaur-thing all the time - he'd have been happy with them, overall.