I wanted to try before I got too old to try to do a big movie and I'd been looking for something to do that was interesting enough to spend those two years of my life on.
I don't remember deciding to become a writer. You decide to become a dentist or a postman. For me, writing is like being gay. You finally admit that this is who you are, you come out and hope that no one runs away.
To appreciate and use correctly a valuable maxim requires a genius; a vital appropriating exercise of mind closely allied to that which first created it.