Greg Behrendt

He’s Just Not That Into You—based on a popular episode of Sex and the City—is tough love advice for otherwise smart women on how to tell when a guy just doesn’t like them enough, so they can stop wasting time making excuses for a dead-end relationship. It’s the best relationship advice you’ll ever receive.For ages, …

He's Just Not That Into You is a self-improvement book written by Greg Behrendt and Liz Tuccillo that was published in 2004 and later adapted into a film by the same name in 2009. It was a New York Times bestseller and was featured on The Oprah Winfrey Show.