men's size does not matter to be honest. I can get off with my pinky finger. What you gf's problem is, is that she likes to degrade you. Tease you. She may find it funny. With out realizing the damage she is doing. Girls are less insecure with the size of their pussy. its all about performance when it comes to girls. So you should just set her down tell her how it makes you feel and see if it helps any.
