[At her first question he only gives a small shake of his head, and hopefully that is answer enough. He is mortal here, and as disconcerting as it was in the beginning he has reached a point of having a certain appreciation for it. Though he still worries very much about his brother and what might happen to him if he's pulled into danger. Hypnos has a strength of his own, but Thanatos has rarely seen him pick up a weapon.]

Hmm.

[He thinks that Aerith would probably understand, or at least attempt to. It's likely that many people would simply think that he was talking down to them, however.]

I have been able to observe mortals for... thousands of their years, though often only through the lens of my work. Closer encounters with them have often been... unpleasant. [We don't talk about Sisyphus.] As you might understand, they have tended to see me as... [... Funny, it's never really bothered him before.]

Only something that exists to take their loved ones from them.