Finn thinks the world of his friends, and naturally assumes that they would all take Fern as he is. But even if they don't, now that he knows there's bad blood there he can do something about it. He'll show them how awesome Fern can be, and he'll show Fern too.

"I will," he agrees with steadfast determination. The butterflies return, though slowly at first, to their initial flight pattern.

"And I'll make sure Jake does, too. And we'll go see Jermaine, and we'll all hang out best bros style."