[That's because, at least in his mind, it is an actual relationship.]

It's not as if you evver stop talkin', harpy, so wwhat else wwould be neww?

[Eridan does what he's told though, crawling into the wheelbarrow with what's left of his dignity, wrapping his cloak around him as he shivers.]

I hope you knoww I'm givvin' you the exact same hospitality if evver you're on Death's hivve entrance.