You either have it or you don’t, and if you don’t have an optimistic confident view of your future and the future of your family and the future of humanity I strongly suggest you start working your ass off to create some very compelling reasons to be confident.
Because life without that necessary little ingredient is boring, defensive and antiquated. It’s boring because you can’t deal with your own fear, so your defensive even though your defending something that wasn’t so great to begin with. And it’s antiquated because it just doesn’t work. Being a wimp just doesn’t have a place in the world anylonger. I don’t think it ever did.