"Incest is best!" "Ewww, incest is icky!"
Not a grand-scale explosion, but it's there.

atreyu452 asks an innocent question: Why do people like incest? Am I the only one who thinks it's gross?

People respond. At first, it was only potentially wanky so I left it alone. Until coolfirebird and hasunoutena get in a bit of an argument. Meg Murry and peppa_minto join in. Hasunoutena steps back, but the others continue.

All in all, yet another chapter in the old "Why ___ like ___" argument...