Yes, You Can or You Can't?

In 1977 in Tallahassee, Florida, Laura Schultz picked up the back end of a Buick to get it off her grandson's arm. Before that time, she had never lifted anything heavier than a 50 pound bag of pet food. Dr. Charles Garfield interviewed her after reading about her in the National Enquirer. She said if I was able to do this when I didn't think I could, what does that say about the rest of my life? Have I wasted it?