I used to have the same problem as a child and young adult.
I think it was a worry thing always wishing and hoping things would be right.
Than one day, I lost my mind.
Probably the best thing that ever happened to me.
Because, than, or now.
I never worry myself sick any more.
I don't care what people think.
And the higher power is around me; my family, my surroundings, my friends and those that I come in contact with on a daily basis.
So try, as hard as it might be to think positive.
Go out and get in tune with nature.
Think "healthy".