“There is; however, something you should not do. Sometimes a young man does not understand. Perhaps he is encouraged by unwise or unworthy companions to tamper with that factory. He might fondle himself and open that release valve. This you shouldn’t do, for if you do that, the little factory will speed up. You will then be tempted again and again to release it. You can quickly be subjected to a habit, one that is not worthy, one that will leave you feeling depressed and feeling guilty. Resist that temptation. Do not be guilty of tampering or playing with this sacred power of creation. Keep it in reserve for the time when it can be righteously employed.”

Boyd K. Packer, General Conference – 1976, “To Young Men Only.”