At least their shared sense of paranoia is something that they could potentially bond over, but that's not the easiest topic to broach with two wary individuals. Sans continues to talk a good game while Sasuke watches, barely raising a brow at the sudden laughter that overtakes him. It hadn't been a joke, but-- Well, he can understand wry humor better than other types.

"In that case, we're entirely opposite men." Yes, he's going to grace this skeleton with the 'man' title. What else would be a better alternative?

"I can't make the effort to engage in smalltalk while you're shirking the burden of expectations. You should put more work into your existence."