That was how Mettaton handled becoming corporeal. He wouldn't revisit who and what he used to be, leaving his old life behind. But fighting the human, receiving the calls from his fans, that showed him he was wrong. That he should embrace all aspects of himself and not be afraid to tell others who he really is.

And most of all, to have Blooky and Shyren at his side again, the three of them performing like they used to.

"Yes. Things from the surface would wind up in Waterfall, and I'd bring them home. I loved what I saw, what I heard, what I learned of the humans. I was never happy as a ghost... so, I knew what I wanted to become. It's not uncommon for a ghost to want a corporeal form. Have you bumped into the angry training dummy in Waterfall before?" Mettaton asks the last part curiously.