Right. Sans glances away for a moment, the meaning of that tone reminding him of the context. The last time Greg had spoken to him as himself, it had been in the lab - and it was way too obvious what that would have looked like to him. What that was like to Sans.

That ghost woman had healed him after that, sure, but it's not like that's where it ended. It would be pretty easy to just give a total non-answer, but it doesn't really seem fair. After a hesitation that gives away his inner uncertainly, he eventually shrugs a shoulder.

"Better than before."