The substance is a rather deep blue, especially visible against the white of his skull. The remnants are opaque, and almost seem more viscous than human tears might. But they've also gathered around his eyesockets the way tearstains might on a human face.

At least the soup proves a more-than-sufficient distraction from that little embarrassment, leaving Sans feeling revitalized from the dream and maybe from a great many other things, too.

It does not seem to be falling right through Sans. He puts the food in his mouth, goes through all the motions of chewing and swallowing despite, by rights, having nothing to swallow with. At which point the food just seems to...vanish from inside his mouth.

"s'good." Which is a rather significant understatement. Sans speaks around a full mouth. "almost as good as monster food. you use magic on this?"