They will continue working together with their charitable foundation.
Another woman? Another man? Disenchantment finally set it? They ran out of things to talk about? They stopped liking each other?
I think divorce is always sad. No one gets married anticipating a divorce. At least I can't imagine why anyone would.
When Jeff Bezos divorced his wife she walked away with $35 billion making her one of the world's wealthiest women.
Money isn't everything. Can't put a pricetag on happiness.