You know it is always amazing to see people pay it forward. Imagine you were standing in line at the grocery store. You already know about how much your groceries will add up to be, let's face it, after years of grocery shopping you have learned to judge. Say you have a huge family and your grocery bill comes out to over $400, how would you react if someone told you that you didn't have to pay for those groceries? That's exactly what happened to these unsuspecting folks.