Check out this Tedx Talk by Christopher Barnes, the cohead of the High Mountain Institute! HMI is the semester school that I attended my junior spring semester of high school and consequently is what sparked my love of backpacking and inspired me to do the trail.
http://m.youtube.com/watch?v=yBFworyeeWk
Take a risk, do something that scares you!
http://m.youtube.com/watch?v=yBFworyeeWk
Take a risk, do something that scares you!