Poor Copper! I know that when I had to have my big toe nail cut out because of an ingrown toenail, it took probably 4 or 5 days before I could walk comfortably. The nail took a few months to grow back out but the nail bed had toughened up by then, so it wasn't painful anymore. I don't know if Copper would leave it alone, but you could try some Neosporine cream with painkiller in it if you thought he was really in pain. Here's hoping the nail grows back like its supposed to!!