[ Well, they can apparently blush and cry...so who knows, really? But Papyrus is too self-respecting to be caught doing something like drooling anyway, so the world may never know! ]

Ah! You see my trustworthiness already! You are quite clever, human! [ Or maybe just creative for trusting a talking skeleton, but stranger things have happened in Cerealia. Certainly.

And now quite impressed with her ideas and intellect, Papyrus is nodding along with her idea before she even gets all the words out. ]

An excellent plan! I support it completely! Climb on my shoulders and we shall find those who most need our assistance! [ He kneels down - he knows how this works! It's not an uncommon practice considering his brother's laziness, though Sans is usually subject to Papyrus just plucking him off the ground willy-nilly. He's being slightly more polite in this case. ]