[My god, this idiot. He's trying so hard to act like he isn't concerned...

Mettaton knows he's doing that awful thing where he's smiling despite himself. He's still not sure whether this whole thing is endearing or annoying.]

I honestly need to ask, sweetheart: did you happen to skip all of your science and physics classes on the way to your lit degree? Because you have a hard time getting around the concept, [he hits the door again, rattling it with an even louder bang] of metal.

...besides. Unless someone intends to kill me, it doesn't matter. Monsters are sturdy, you know.