For the last couple weeks my back of the heel really hurts. There is pain all around the outside heel of my left foot, but only when I stand. When I get up in the morring I can barly walk on both of my feett. I bought heel cushins and they help a little. I work at a car dealership and am on my feet all day, and am overweight, so I'm sure that has something to do with it. Does anyone know how to ease the pain?