What exactly is Weiner's "illness"?

Based on the New York Democrat’s behavior, which the congressman says includes sending lewd messages and images over the Internet to six women in the past three years, experts interviewed by POLITICO said he could suffer from an array of conditions that could merit treatment, including narcissism, obsessive-compulsive disorder or even some variety of sexual addiction…

[T]reatment requires weeks, months or even years of one-on-one therapy or group meetings, a slog through a 12-step program or perhaps even medication. It might be easy for a celebrity or politician caught in a scandal to say, “I’m getting help,” but if he really needs it — and wants it — it won’t be a breeze…

“With personality and narcissistic disorder, people in power often have a grandiose sense of entitlement and sense that they can get away with anything. In reality, most of them are rather insecure and feel smaller than they actually are,” said Brett Kennedy, a licensed clinical psychologist based in New York City.