It makes no sense to worry about things you have no control over because there's nothing you can do about them, and why worry about things you do control? The activity of worrying keeps you immobilized.
I grew up in an era of pretty severe poverty. My parents weathered the Great Depression, and money was always a very big concern. I was weaned on a shortage mentality and placed in foster homes largely because there simply wasn't enough money to take care of the most basic of needs.
Your timeless self does not age and has no fear of the future. Contemplate your physical self and all its possessions, and practice laughing peacefully at it all.
I never sell a book. I sell myself. And the way to sell yourself is to be an instrument of love.
James Pinckney Miller