A lot of good answers --especially the ones about reading and sharing forums with your master. The part of your post that I'd like to adress is "hurts terrible". If this is terrible pain is should be a limit that he must recognize. It's the things that hurt good we learn to accept and work through....spankings,cropping,clamps,etc. --where the pain eventually does turn to pleasure . Anything else is really a form of abuse. Please be careful if he is giving you the line --I am master -if you are a real sub/slave you do not question me --this is always a red flag.