Finn is the analytical side, the brains, the smart one who collects data and turns it into something useful, he also holds some of Arlo’s fears about cleanliness because of the state of his environment in that place. He was never meant to become sexual, which is why Arlo keeps forcing him to the back when he’s with you. It’s a sign of healing, and Arlo doesn’t want to heal. When healing happens, the alters morph and change to accommodate that healing. Like…they aren’t needed anymore, so they disappear or become less frequent.”

