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These six small words from Greg Behrendt and Liz Tuccillo's book He's Just Not That Into You sparked a dating revolution! Lightbulbs were going off all over America after Greg helped several women face the cold, hard truth about their relationships .

Lauren, who got Greg's help figuring out why David would text-message her and not call her, got to reconnect face-to-face with the man who's just not that into her!

David had a girlfriend at the time he was contacting Lauren and says he "wasn't ready to risk losing his relationship with [Lauren], in case things didn't work out. That's the beauty of dating."

Greg says the revolution has felt great. "It's really nice to do something that makes you feel that you're helping people. If women are honest with themselves, it forces men to be honest with them, too, and makes everybody better people."