There's no clever way to say it. My sister and I fucked a lot that summer.

We had all the restless passion of a pair of new lovers, with the bonus of our attraction being completely fucking wrong. It was an insane combination, multiplied in ferocity by the closeness the two of us had always shared. Monica crept into my bed many times after our first night together - and I could complain about how little I slept, but who am I kidding? We became, for all intents and purposes, siblings with benefits.

Monica never let me forget it. If giving in to her basest desire was my attempt at...