sometimes worrying is a disease...

"(...) I am glad you are happy — but I never believe much in happiness. I never believe in misery either. Those are things you see on the stage or the screen or the printed pages, they never really happen to you in life.

All I believe in in life is the rewards for virtue (according to your talents) and the punishments for not fulfilling your duties, which are doubly costly.(...)

Things to worry about:

Worry about courage

Worry about cleanliness

Worry about efficiency

Worry about horsemanship

Things not to worry about:

Don't worry about popular opinion

Don't worry about dolls

Don't worry about the past

Don't worry about the future

Don't worry about growing up

Don't worry about anybody getting ahead of you

Don't worry about triumph

Don't worry about failure unless it comes through your own fault

Don't worry about mosquitoes

Don't worry about flies

Don't worry about insects in general

Don't worry about parents

Don't worry about boys

Don't worry about disappointments

Don't worry about pleasures

Don't worry about satisfactions

Things to think about:

What am I really aiming at?

How good am I really in comparison to my contemporaries in regard to:

(a) Scholarship

(b) Do I really understand about people and am I able to get along with them?

(c) Am I trying to make my body a useful instrument or am I neglecting it?

(...)

Love anyhow."

Fitzgerald, F. S. in A Life in Letters. Simon & Schuster 1933