When the topic of infidelity spills into our daily dose of media, we may say we saw it coming, or we may react with shock. Either way, we don’t exactly look away. Without even meaning to, we learn details, names, sources and suspicions. Most of us would admit that there is little point in speculating about the ins and outs, agreements and lies, secrets and circumstances of a stranger’s affair, but our fascination with the indiscretions of others should tell us something about ourselves and the world around us.