What should I do if my partner has "the grass is greener" syndrome?

Anna writes, “Hi Susan. Hope all is well. I've been improving myself so much, thanks to all of your break up videos. I have one question: What should I do if my partner has "The grass is greener" syndrome? He broke up with me out of the blue, turned into a different person. He has a girlfriend now, but begs me to talk to him whenever I cut the cord. But when I mention commitment, he pulls away? Thank you so much.”

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The Dating Games Guide: You know you're being played, but what's the game?
And what's your countermove?
Not to worry. I’ve got you covered: https://susanwinter.retrieve.com/stor...

The Older Women | Younger Men Dating Guide:
Dating a younger man and wondering if it will last?
Attracted to an older woman and not sure how to make your move?
Answers to all your age gap questions: https://susanwinter.retrieve.com/stor...

Rough breakup?
Check out: Breakup Triage; The Cure for Heartache
Audible: http://www.audible.com/pd/Self-Develo...
Amazon: https://www.amazon.com/Breakup-Triage...

Wondering how to benefit from life's challenges?
Allowing Magnificence; Living the Expanded Version of Your Life
https://www.amazon.com/dp/1479176087?...