Dear Welcome to HCM We understand your concerns I went through your details. I suggest you not to worry much. Premature ejaculation, delayed ejaculation, erectile dysfunction and lack of interest in sexual matters are mainly due to anxiety and lack of knowledge. You are anxious or rather apprehensive. You are worried about your sexual performance. Such worries, rather apprehension drive you anxious.Have faith and confidence. Even a two inch erect penis can satisfy any woman. Forget about increasing the length of penis. Not possible, You must be aware that masturbation is no sin. Masturbation is natural and even animals do it. The trouble is lack of knowledge and the anxiety arising out of it. Feeling guilty will trigger anxiety. 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.