One should take a monet to understand that people pain tolerance are different to each individual. So it is hard to just say that since I had little or no pain I would think you should be the same. I can say this. If pain killers are not helping you, maybe you should try a more natural approach and see if that helps. Here are just a few suggestions for that.
below is a link that will explain how they work at helping relive pain
Also you may what to stay focus on the fact that you are doing what you need to do in order to have healthy teeth. This may not help with the pain but will give you good reason to bear it.