Connect with Tammy: http://www.yourtango.com/experts/drtammynelson <br /> <br />Dr. Tammy Nelson explains why it is necessary to redefine monogamy after an affair. <br /> <br />For more on Dr. Tammy Nelson, visit: <br />http://www.tammynelson.org/blog <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 | Smart Talk About Love
