Following the Obama Presidential Center debut, Barack and Michelle discuss why their marriage works and growing older: \

During a sit-down with People, the former president, 64, confessed that his marriage to Michelle, 62, has not been 'equal' as he reflected on the imbalance in their relationship.

Following the Obama Presidential Center debut, Barack and Michelle discuss why their marriage works and growing older: \

The former US President and First Lady got married in 1992

Michelle Obama credited Barack Obama with encouraging her to take some of the earliest "uncomfortable steps" in her career.