I think if you don't have the burning desire for change, the ability, or the opportunity, the odds of failure are very high. If you do have all these condition

I think if you don't have the burning desire for change, the ability, or the opportunity, the odds of failure are very high. If you do have all these conditions, then go for it. But otherwise, it might be best to wait, as age doesn't really diminish them. Also if you are raising kids, then the hedge is that you've probably raised multiple people who can bring the same impact or more. In many cultures, family companies like Samsung are quite common. Samsung did trading and only entered electronics when the founder was 50. But it was with Lee's children that Samsung became a major power.