Fifteen years ago, Megyn Kelly was working as an attorney and was married to a physician. On paper, I felt that I was succeeding, says Kelly, who would watch Oprah reruns when she came home from working 18-hour days. But she says she was not happy or fulfilled.

One night, she says that she was watching Dr. Phil on Oprahs show. Dr. Phil said something that I would never forget and that would change my life forever: The only difference between you and someone you envy is you settled for less, Kelly recalls. It hit me like a lightning bolt. I resolved right then and there in that moment that I could settle for more.

Megyn Kelly On What Led Up To Her Clashing With Donald Trump

Kelly, who has since risen to fame as anchor of the top-rated Fox Cable News channel show The Kelly File, is now author of her newly-released memoir titled after that revelation: Settle For More.

I would never have believed I would wind up this happy and doing a job that I loved this much, Kelly tells Dr. Phil in an exclusive interview airing Tuesday. I hope that people will read the book and feel empowered to change their lives by making different decisions and choices. I hope they think, if she can do it, I can do it too, Kelly says. Whatever they want in their own lives, I hope they feel empowered to try for it; at least pick up the bat and swing.

Megyn Kelly On Being Bullied As A Teen: It Did Some Permanent Damage

Dr. Phils exclusive interview with Kelly , in which she addresses her clashing with now president-elect Donald Trump and allegations that she was sexually harassed by former Fox News head Roger Ailes, airs Tuesday. Check here to see where you can watch.