Now you're just being cruel! And right after someone so graciously offered me their lab...!

[sigh... FIIIIIINE.]

Fine. I won't go anywhere near your wings in exchange for my glasses. In addition, I won't conduct any experiments that could be considered harmful to humanity, and only if the living subject is one-hundred-percent willing. [it hurt to add on that second bit, but he has to appease mei somehow... his head is starting to kill him.] Deal?