He blinks, then beams, and a part of him notices that it's not just anger that dominates his psyche when it appears.

But then he hmms. "Should I avoid smelling, though? That's an entire sense I'd be discarding, and while if that's the only way I can not-be-a-murderer I'll gladly do it, the little I experienced of it was on par in awesomeness with my current vision. And if I ever do need it, I'm not sure it'd be that great to never have gotten used to human scent."