[A complete and utter lack of reaction to the chilling sight of empty sockets. The same hollow look that "Frisk" sometimes gives Sans when they first meet, when he tries his whoopie cushion gag.

Been there. Seen that.

They can make their eyes go big and dark and empty too, Sans, but you don't see them showing off, do you?]

Perhaps not. But it would be nice of me to keep pretending to be one. Would it not?

After all. There's an awful lot of space between you and I right now. Who knows who I could run into? Who knows what I could make them believe.

[A taunt. A challenge. Got any shortcuts, skeleman? Brave enough to take action? Or perhaps it would be comfier to wait, again, until there is nothing left that is even worth fighting for.]