"I can see how that would be stressful, yes. And I imagine those who have little to no knowledge of magic are the ones who informed them of this 'danger'."

Ah, that explains why the man is being so nice. He clearly thinks if he upsets Alucard then it'll get worse. Given he seems to have past experience with mages of some kind, he is willing to play along with this seeming paranoia. It wouldn't be the first time he tries to make others more comfortable with his use of magic.

"I will wait here then. I agree that if this power caused my boots to be frosted over again that would...rather irritating."