I have read all the information available on removing an old tub spout and I still cannot get mine off. It definitely is not the type with a set screw. There is no hole in it at all. I tried to twist it off, and it just twists and twists without coming away from the wall. I tried pulling while I twist, and inserting a screwdriver against the wall while I twist. I know this is supposed to be really easy, but something must be wrong in there! What can I do?