A divorce attorney shares 4 things successfully married couples do

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Elliot Polland is a New York divorce attorney with nearly 50 years of experience, so he knows a thing or two about what can make or break a relationship.

Polland spoke with INSIDER right after getting out of court about the biggest mistakes married couples make and the best things married couples should do to make sure their relationships will last.

Note: Elliot Polland is the father of INSIDER Deputy Editor Jennifer Polland.