08/20/2012 11:05 am ET Updated Dec 06, 2017

WATCH: Defining Happiness In A Relationship, From Dr. Sue Johnson

When Dr. Sue Johnson, relationship expert, joined me on Mondays With Marlo, we spoke about connection - the key element needed to maintain happiness in a relationship.

And if you want more relationship advice from Dr. Sue, check out her top tips here:

Relationship Advice From Dr. Sue Johnson

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