O que está por trás da separação de Angelina Jolie e Brad Pitt?

After 12 years of marriage, Brad Pitt and Angelina Jolie, also known to fans as Brangelina, announced their separation. In filing for divorce, the actress revealed a side of her husband that the world was unaware of. According to American tabloids, Brad Pitt allegedly verbally and physically abused one of their children, drank and used marijuana in front of them, and is accused of cheating on his wife with an Oscar-winning actress. But what really caused the end of the couple's relationship?