Reira's frown is still very set, and even cold.

"..........I know not all of you teleport." And frankly it's rather rude of you to use that as your excuse here. Very rude. She's pretty sure you were both just clashing and butting heads like absolute idiots-it wouldn't take empathy to know, either.

The fact remained though, that if Papyrus could teleport, things would definitely be different.