When you do someone a favor, the last thing you would expect them to do is to be ungrateful. After all, you don't owe them anything, and you are simply doing something for them out of the goodness of your heart. So it makes no sense that the woman in this story was so out of left field with her kind neighbor, who at first, was happy to plow her driveway after seeing it was covered in 12 inches of snow. Driving over the ice that was soon going to form would be no easy task, and this man decided…