He wishes he actually knew where his fake memories started and ended. He remembers always being like this as a human, and... he remembers a time when he wasn't like this as a skeleton. It was a long time ago, though. He was pretty much a different person, then.

His face falls a little with the thought of his, his eyes looking more distant even as the rest of his face maintains basically the same expression. It doesn't tend to move a lot in general.

"...Nah," he says, scratching at his ribs distractedly. He rolls his head so that he's facing away from Papyrus a bit more than before. He cuts himself off there.