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"I want to show them that they're as much a part of my life as I might be of theirs."
Robb Nash was hit by a truck the winter he was 17. The collision stripped the roof off of the car he was in and knocked him onto the highway, where he cracked his skull. He remained unconscious until the following spring. Now, 16 years later, he offers this advice: "Don't wait to get hit by a semi" to start living with purpose.