My brother is the same way. Has been in/voluntarily committed a few times, on and off meds, said the CIA was spying on him at work, when he worked in a restaurant kitchen. He didn't believe that our grandfather died while we were at his funeral, threatened suicide many, many times, spent some time homeless. Hallucinated experiences and conversations with family members. It's exhausting. He lived with me for a little bit, but I had to kick him out when he lived with me when my wife was due because of his violent tendencies. This shit is rough and I wouldn't wish it on anyone, even a guy as immensely wealthy as him.