If you've ever felt sorry for yourself or thought about giving up on a life goal you felt was impossible, then you need to watch this amazing video.
Told he would never walk unassisted again, a 47-year-old Iraq War veteran (the first Iraq War) had let himself go and ballooned to 297 pounds.
Until he decided not to.
With the help of a yoga instructor who took him under his wing - back brace, knee braces, walkers, canes and wheelchair and all - he achieved the impossible.
"Just because I can't do it today, doesn't mean I'm not going to be able to do it someday." Words to live by. Observe the power of sheer will below: