[Oh, he is so comforted. Look at how comforted he is. It's just all over his screen, all that comfort.
Ignore how suspicious he looks, or how he seems skeptical. It's fine.]

"Embolisms"... That when the blood get all blocked up, right?
Think I took someone out with somethin' like that before. I can see why you'd need it.

[look he said "I kill people" and they had 0 reaction, he's assuming it's okay to talk about]

This doctor, he someone you can trust? For sure?