Positive thinking not only helps you feel happier, it also benefits your health and your business too! But as life happens, it's not always easy to stay as positive and motivated as we'd like. Next time you're in need of a motivation boost - check out these videos! Get ready to feel unstoppable! Happy viewing! Nick Vujicic: No Arms, No Legs, No LimitsIf you have never heard of or listened to Nick Vujicic before, then you must take the three minutes it takes to watch this video, now! (click…