Dear Welcome to HCM We understand your concerns I went through your details. I suggest you not to worry much. There is no problem in masturbating. But, in layman knowledge, if you are able to masturbate and ejaculate, even though very little, you have already achieved puberty! Who says no. Puberty means sexual maturity. Your body is able to respond to sexual triggers and to produce semen. That is puberty. You have achieved it. be happy. Concentrate on your education and career. Psychotherapy techniques should suit your requirement. If you require more of my help in this aspect, Please post a direct question to me in this URL. http://goo.gl/aYW2pR. Make sure that you include every minute details possible. I shall prescribe the needed psychotherapy techniques. Hope this answers your query. Available for further clarifications. Good luck.