I've masturbated almost as long as I can remember. I am now 30 years old. As a small child before I went to school, I remember getting behind a chair in the living room and playing with my erect penis. It just felt so good to rub it with my hands. I don't ever recall having dry orgasms, but I did enjoy it — although I had no idea what I was doing! There were lots of girls in my neighborhood. I vividly remember a number of occasions before second grade where I would hide away with one of the neighbor girls, and we would show each other our genitals.
I have a very helpful tip for uncircumcised males regarding smegma buildup. Smegma can have a strong odor that is very distinctive, and it can be embarrassing when in an intimate encounter. It's pretty well known that uncircumcised men must keep the area beneath their foreskin clean, but it's my understanding that smegma buildup (the odor, not the physical buildup itself) is not necessarily an indication as to whether your foreskin and glans area is "clean" or not.
A helpful hint for uncut guys of a certain age...or any age, maybe – I'm 71 and it's working for me. I was worried about how tight my foreskin was getting, to the point where I couldn't retract it. I had used handcreams and such to relax the foreskin, but it didn't help much. Lubrication did turn out to be the answer, but not the way I was doing it. This is my advice to anybody with the same problem: