[ It actually does not occur to her that he may not know the word oxygen, let alone the fact that it's carried in the bloodstream. It's very difficult to gauge what knowledge people from another time and world have. Explain cell phones? No problem. Explain basic building blocks of existence to someone who has never even heard of them? Not as easy. ]

Mm, who needs exact science when you're messin' with DNA? [ Her voice is drier than the Sahara. The more she learns about Witchers, the less she thinks of everyone in that world except the Witchers themselves.

With a sigh, she closes her eyes and turns back onto her back, though she twists her neck to still be able to converse. ] Oh, I sold that horse. Never woulda thought I'd somehow end up with three fuckin' horses at once.