Hello sir. Knowledge and understanding of a healthy way of masturbating is very important. Especially the technique and the habit, should be proper. Use of pornography while masturbating can risk you for development of Erectile dysfunction while intercourse. Premature ejaculation can result due to improper masturbation technique. Giving you a detailed account of sexual hygiene and healthy masturbation habit is beyond the scope of this consultation, it will require an exhaustive session and detailed workup of your problem.