"... Yeah, that works." He figures it would take some effort to get her to stop 'Mr.' so he'll leave it.

Blinking when her hand tightens, he's a little confused. Doctors in his world were a mixed bag, but if the problem just needed some healing magic? Usually things were good. It just sucked when there was actual medicine involved - you'd really think Alchemists would try making things taste better when it's supposed to help.

"Hello, Nurse! Yeah, sure, I can handle that." As for being her guardian. "I'm pretty sure I am."

Not that he's really catching onto what this legal stuff means. He is technically Alice's guardian at the moment... right?