line: Alright, cool it, I see what's happening here. You're both young, you're both unsure about your place in the universe, you both wanna be “Grampa's favorite.” I can fix this. Morty sit here, Summer, you sit here. Now listen, I know the two of you are very different from each other in a lot of ways, but you have to understand that as far as Grampa's concerned, you're both pieces of shit. Yeah, I can prove it mathematically. Actually, let me grab my whiteboard. This has been a long time coming anyway.