Oooh-ho-ho, my word! You-- [He's smacking playfully at Keats' shoulder, expression still a mixture between impressed and bewildered.] You dork!! You jumped off a cliff for a story?! To jump into a portal you didn't even believe was real?!

[Mettaton's grinning, but it's the sort of snide grin you'd make knowing you'd make the exact decision you're three seconds away from teasing someone else over.]

You probably monologued to yourself the entire time, didn't you?