Undertale - Asgore's secret to being ripped

Oh, poor Asgore. One of my favorite characters and seemingly hated by most of the fandom. I just want to give the guy a big hug.

And Frisk? Stop flaunting your curiously godlike powers. Nobody likes a showoff. Unless it's Mettaton. And he's the one showing off.

Wait, why does Frisk have rosy cheeks?