I know exactly why he told you everything, Kim. He thinks he has gotten so powerful he actually boats about his escapades thinking that his followers will stroke his ego even more. This guy has got away with a lot of things, including stalking and abusive messages, he had an army of flying monkeys to defend him, and they did with exactly the same abuse he would use.
He thinks that he could do anything without any consequences, because, for a long time he has gotten away with so much.
Absolute power corrupts absolutely.