orgasm opens up and stimulates chakras, you can even find one meditation where you can do this in our power meditation section. Also you can do sex magic, love spell and etc..(search on ToZ Main)
Now yes can be indulged. For men once per day is the most often we can do it. Best is to give 3 days to restore. To restore spiritually.
Two times and more per day or prolonged will make you weak, not motivated, and fryier head.
Every time should be energy directed to goals. Example: during orgasm imagine white gold energy of orgasm expanding and becoming dense immersing yourself in it and affirm an affirmation to it so it would be programmed and directed few times, then at least one minute of vizualization: For programming your energies and your aura.
Energy will be not wasted into nothingness but will work for you.