Dr. Diana Kirschner returns to the show to talk about her new book, "Love in 90 Days, The Essential Guide to Finding Your Own True Love."

You've seen her on The Today Show, Nightline, Access Hollywood and Oprah. Tomorrow Dr. Diana will talk about dating, dealing with being single on Valentine's Day and real life steps you can take to find the love you want in 90 days! Plus, we're giving away three copies of her hot new book!