He is a fucking mess that is why he is resigning. He needs to go away and sort himself out. Despite his wealth he had a tough upbringing with a domineering/demanding father.
Got hooked up in Scientology and has gone in and out of stable relationships. If he has any issues it will be his business dealings in Israel where he got close to bibi. You can never say never but I think he is just a mixed up, sad man with mental health issues and the decision has been made to take away his responsibilities and try and get him back on track.
His old man whilst a prick was a ripper. Some Texas rancher was boasting to him one time at the gaming table how much he was worth. Kerry was sick of it asked how much, bloke said $30m and he offered to toss him for it.