Oh.

[ He knew Ban had... quite the taste for alcohol. It seemed like it was a little bit of a problem, but... he didn't hurt anyone because of it, and it helped him not feel pain, so maybe it was okay...?

He seems to be in a pretty good mood right now at least! ]

I'm really the most interesting thing you've heard of??? I'm not surprised, actually! I've been told I'm "fun to watch" by more than few of the other villagers in my hometown! I guess to the Surface world, they haven't seen a lot of skeletons, so I must be very unusual to see! If you ever want an autograph, you can just let me know, we're friends, after all!

[ So, Papyrus never quite learned proper anatomy of a human. Which would include a skeleton inside them. ]