Worry

Shadow Study by Jim Semonik

Excerpt from J. Ruth Gendler's delightful book entitled, The Book of Qualities

Worry has written the definitive work on nervous habits.
She etches lines on people's foreheads when they are not paying attention.
She makes lists of everything that could go wrong, while she is waiting for the train. 
She is sure she left the stove on, and the house is going to explode in her absence. 
When she makes love, her mind is on the failure rates and health hazards of various methods of birth control.
The drug companies want Worry to test their new tranquilizers but they don't understand what she knows too well;  there is no drug that can ease her pain.  She is terrified of the unknown.