For me, playwriting is and has always been like making a chair. Your concerns are balance, form, timing, lights, space, music. If you don't have these essentials, you might as well be writing a theoretical essay, not a play.
What I'm exploring right now is the subject of my own mortality. It's an area that I'm curious about, and I'm researching it to see if there's a photographic essay in it for me. If images don't start to come, I'll go to something else.
At the age of 12 I won the school prize for Best English Essay. The prize was a copy of Somerset Maugham's 'Introduction To Modern English And American Literature.' To this day I keep it on the shelf between my collection of Forester's works and the little urn that contains my mother's ashes.
When I was ten, I wrote an essay on what I would be when I grew up and said I would be a professional soccer player and a comedian in off season.
In high school, I won a prize for an essay on tuberculosis. When I got through writing the essay, I was sure I had the disease.