Hard believing he is gone or that he was Bipolar? Sorry a bit confused there.
That is what Bipolar is. Manic depression. But many live with it and well past the age of 60.
That is an unfair assumption. While I agree that no one needs 30M period, you can't know what was going through his head and to place the blame of someone's death like that is, in my opinion, wrong. Of course you are entitled to your opinion.
As for no pre-nup, I can't say for sure, but he probably didn't want one. It is well known that many with Bipolar get taken advantage of. Especially in a manic phase. Because in a manic phase, a bipolar person's control over money goes straight out the window. If you are a around a biploar person in a manic phase, they will buy you the world if you ask. Guy or girl, doesn't matter. If he was not as successful as he was, which many who suffer from some mental illness are usually quite successful on the outside, he would have blown through the money another way. I am sad to say that but I believe it to be true. The lifestyle, Hollywood, just demands it.
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All the way around, it is such a sad situation. To lose him to suicide is an extra slap in the face that really stings the mental health community.