"Oooh, you're from 1558? OK, no worries on that front then, you still think that mercury is a cure-all. By the way, just so you know, it's not, it's an insanely toxic heavy metal that drives people insane."

Tend seems to calm down, relaxing. "Ok, so I'm not from Earth, I'm from the Planet Orion, you would call me an alien, but it's kinda racist to say, I mean, you're the alien from my perspective. So what can I do for you? Do you need some medical help? I can give you a checkup if you like."