Sometimes a relationship just can't be saved. Knowing when to break up is one of the most important life lessons. Dr. John Gray discusses when to hold 'em, when to fold 'em, when to walk away and when to run. <br /><br />See more from Dr. John Gray<br />http://www.yourtango.com/experts/marsvenus<br />And http://www.marsvenus.com/<br /><br />Watch it on YourTango: http://www.yourtango.com/2013194017/relationship-expert-should-you-quit-your-relationship-video<br /><br />YourTango is your source for smart talk about love, sex, dating and relationships. Whether you're married, single, taken, engaged or "it's complicated," check out our videos for the best love and relationship news, entertainment and advice.<br /><br />Follow us on Twitter: http://twitter.com/yourtango<br />Become friends on Facebook: http://www.facebook.com/YourTango<br /><br />http://www.yourtango.com | Your Best Love Life