Doctors diagnosed Nicole Munda with a rare liver disease and the guidelines for a donor were strict. If the 29-year-old didn't get the perfect liver soon, she would die in six months.

She met a stranger at a NASCAR race who started dating her and they fell in love.

It was a one in a million chance that he would be a perfect medical match, too, but he was and became her donor.

Now they're married.

(WATCH the video below or READ more from TODAY)