I had just been through, in the years preceding my decampment for the West, a pair of summers that had rattled my nerves and rocked my soul and shook my sense of self - but in a good way. I had drunk a lot, and smoked a lot, and listened to a ton of great music, and talked way too much about all of those activities, and about talking about those activities. I had slept with one man whom I loved, and learned to love another man so much that it would never have occurred to me to want to sleep with him. I had seen things and gone places in and around Pittsburgh, during those summers, that had shocked the innocent, pale, freckled Fitzgerald who lived in the great blank Minnesota of my heart.
[describing the events leading up to his writing his first novel, in the article "On 'The Mysteries of Pittsburgh'" published in The New York Review of Books, Volume 52, Number 10, June 9, 2005.]