His efforts have earned him both the Presidential Medal of Freedom and the Nobel Peace Prize.

Their union, President Carter says, “has been the most wonderful thing in my life.”

I think that’s a kind of extraordinary thing.

Jimmy and Rosalynn Carter 2015

Doesn’t happen to very many couples, but it certainly happened to us."

Here, they talk about the secrets to a lasting marriage.

What keeps President Jimmy and Rosalynn Carter together after 75 years?

Jimmy Carter inaugural

The Carters shared some of the secrets to their happy marriage.

They also follow the age-old marital advice of “never go to bed angry.”

“Each (person) should have some space.

That’s really important,” Rosalynn Carter told the Associated Press (viaUSA Today).

And no marriage would be complete without special loving gestures.

She’s worn it ever since.