And to think it may have turned out differently.
When Jimmy Carter first proposed, Rosalynn Smith – as she was then known – rejected him. Why? She had promised her dying father that she would finish college first.
When she told in her memoir, "First Lady from Plains," the couple grew up three years and three miles apart.
There were no girls in town who were her age. So Rosalynn became best friends with Jimmy's younger sister.
Her father died when she was 1
The couple went on their first date in 1945. They married the following year.
He was 21. She was 18.
That's not to say it's been easy sailing through. Take the time that the couple decided to write a book together.
"It would be as if God had given her this text on Mount Sinai and she had taken it down and presented it to me in stone."