There are a number of articles that refer to childhood masturbation as a commonplace activity, especially when the child is beginning to explore their bodies. Some articles state up to 30-40% of children masturbate at one time or another before they are 5 years old, some give more conservative estimates.
When was the first time you masturbated, and when was your first orgasm from masturbation?
When was the first time you masturbated, and when was your first orgasm from masturbation?