If I could show her something like that maybe she would believe me. None of this makes any sense. First of all, there is nothing wrong with boys or girls masturbating. Boys are not more likely to become addicted to it and unable to control it. It's insulting and demeaning to men and women.
Men can control their sexual urges.
Those who can not have a mental problem unrelated to the masturbation. You don't avoid compulsive hand washing by never washing your hands. The compulsive disorder is the symptom of a deeper disorder. It's the same with masturbation. Compulsive masturbation is the symptom of a deeper disorder.