If I felt well enough, I'd close out my 401k, find homes for my dogs and I'd blow the money making people happy.
But it wouldn't work that way.
By that point your usually too sick and if you aren't too sick, relatives will drive you a bit mad. Either they drag you treatment to treatment or cry over you.
If you don't have kids, it's best to keep it to yourself so you can spend your time the way you want to spend it.