I think stopping more heartbreaking stuff is up to us now. ["Us" as in the reclaimers in general. Of course, Sans still chafes against that kind of responsibility, and his grin looks about as wry as he can manage.] Unfortunately.

[But then his expression softens.] Well, you're here now. And the others can be weird sometimes, but they're not bad. So, hey, it might work out.

[That's almost optimism. Coming from Sans, it might actually count.]