Actually to me, my dick is small, I have never measured it myself ( don't care to ) But even tho to my eyes I have a small dick, the females I have sex tell me i'm big and when I disagree I was told that I just don't understand. I want to know if it's possible to have multiple dick sizes, for example when I jack off by myself my dick doesn't stay at full lenght, but if my dick is inside a tight pussy or if i'm getting head it will grow longer. The reason why I ask this is because whenever I take out my dick while having sex I don't recognize my dick, totally different one from what I jerk off with daily. Thicker, three big veins, longer etc. Btw, I can't stay hard for long when I masturbate.