At the age of 14, it is normal to have sexual urges and occasional masturbation does not affect height development. However, the negative effects of excessive masturbation can be detrimental to growth and development. The main factor that affects height is genetics, followed by nutritional status, sleep quality, exercise and so on. Therefore, moderate masturbation will not delay the growth of height. The frequency of masturbation should not affect the next erection or cause physical discomfort. In addition, masturbation is usually chosen late at night when people are quiet, passive stay up late, then to a certain extent will affect the growth. The actual fact is that you can find a lot of people who are not able to get a good deal on this.