For some who were there, it was a life-altering experience.

For him and countless others, hearing those records for the first time was a life-altering experience.

"Everybody has some sort of life-altering experience," he says.

He says being on the show was "a life-altering experience."

These people have had a life-altering experience that they hide from their 7-year-old.

For sailors, it was often a violent and life-altering experience.

McCoy groped for a way to explain the life-altering experience he had just emerged from.

"For a life-altering experience, a man can wait 20 minutes."