Dude.
And I thought the Filioque was an obscure thing to have a schism over.
IKR.
It's not as bad as it looks. One of my best friends is Reformed and attends and is active in our church.
Want to get really silly? "Is mankind Dichotomous or Trichotomous?" That is do we have a body and soul or a body, mind and soul? Yeah, I've actually argued about that. By the end we were both laughing at the absurdity of the whole thing.