Brandon knew who and what Jen was about before most of us did and the cognitive dissonance of presenting the image of a super spiritual church reformer with the tenderest of true hearts while knowing privately that his wife was only about the money and the fame was too much to bear eventually.
Oh please. Brandon is as big a fame whore as Jen, if not more. And he loves to spend and show off his money. The cars, motorcycles, dumb expensive hats and shirts, the lakehouse, the gambling, the strip clubs -- the only thing that was too much to bear for Brandon was that Jen became more famous than he was.