NEW YORK (CBSNewYork) – Most of us have heard about the bond between fathers and sons – but at least one psychologist says a mother’s role in raising boys can be misunderstood.

More On The Couch: How To Raise Successful Kids

Best selling author Dr. Kevin Leman joined The Couch on Wednesday to discuss his latest book, “What A Difference A Mom Makes.”

The work encourages all moms, and explains why her relationship with her son matters uniquely and how to make it stronger at every age. To hear what he had to say, check out the full interview below.