Now, at 72 and 73, the couple — who work together as relationship counselors — has 52 years of marriage behind them. This story is available exclusively to Business Insider subscribers. "We called it our 'power struggle phase,'" she told Business Insider. She said her bond with her husband strengthened after he told her about his strained relationship with his mother. Do you have an interesting story about your relationship that you'd like to share with Business Insider?

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Persons: —, Barbara Grossman, Michael Grossman, Dr, Grossman, Michael, togetherness Grossman Organizations: Service, Business