[Mettaton's about to go on about how being average compared to him is just the norm, but the more prominent news comes to light. He turns to glance over one of his outrageously broad shoulders and blinks.]

Do something...? Why, like anti-enchanting the vines?

[Oh, wow. They are loosening, aren't they? Mettaton turns fully, approaching to get a better look.]

No... Nothing. How strange. Maybe they're taking pity on you, finally. Is that not also a kindness? Maybe it's quite the opposite: they like you just enough to know when to spare you.