Would it be worth writing everything down?

[It's a genuine question, and the reason for it has been made abundantly clear right now. If something happens to Trevor, his weird supernatural medical knowledge will go with him, and the consequences are too great. Even the squeeze of Trevor's hand doesn't help to temper that realization.]

I asked, didn't I? That would be on my head. [The question about painkillers though that gets the vampire to pause and actually consider because...]

I can't say I know. I've never had occasion to use them.