Agreed. I'm only 36 but have learned the same lesson. You win some and you lose some. In the end, everything will work out as planned, even if we don't know the reasons immediately.
My little one is sitting on my lap, warm in his pajamas with freshly scrubbed hair. Nothing could be more perfect than that. Everything will be okay.
It's all good - don't fret over millionaires becoming unemployed.