As tempting as it is to reduce affairs to sex and lies, I prefer to use infidelity as a portal into the complex landscape of relationships and the boundaries we draw to bind them. Infidelity brings us face-to-face with the volatile and opposing forces of passion: the lure, the lust, the urgency, the love and its impossibility, the relief, the entrapment, the guilt, the heartbreak, the sinfulness, the surveillance, the