[Yeah, give him a second to 'come off it'. Because that bit is just going to make the 'years-old dead corpse' stare down at the other with a slightly baffled expression, his head tilting to the side slowly.]

You're a lazy shit, vulgar-mouthed and aimless.

Being mean to you would be like spitting on a homeless person.

Couldn't make you feel much worse.

[He's bad at being nice, so just give him a few more moments after directly insulting you.]

But if you're that determined to enjoy the concept of an undead old man being nice to you, guess I could get used to the company.