Former US President George H.W. Bush tosses the coin for the Super Bowl as former first lady Barbara Bush looks on in Houston, Texas on February 5, 2017.
On Sunday, news broke that former first lady Barbara Bush is in "failing health" and is now focusing on comfort care at home.
The 92-year-old is battling Chronic Obstructive Pulmonary Disease and congestive heart failure, and has been hospitalized several times over the last year.
Bush, who resided in the White House for four years while her husband, former President George H.W. Bush, served as Commander in Chief, has been married to the 41st president of the United States for 73 years.
Described as a true love story, here is an inside look at the longest marriage in US presidential history: