I'm 20 f.i have sexual desires for my former best friend whom i haven't seen in last 3 years & will never do i guess.how do i get over my feelings?

Time and diversion: Time will help you get over the feelings. You may release sexual tension through masturbation. Masturbation will not do any damage. You may query the internet for female masturbation. It is may not be easy, but you may wish to cultivate new relations. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex, if you have sex. Get HPV vaccine

More than sex.: Frustrated sexual longings are a routine part of daily life, yet this seems a problem to you, This suggests that there is something more. You speak of your friend as “former.” I suggest that you are experiencing a loss of someone who meant more to you than sex, and your particular mourning involves sexual longing. It may be helpful for you to identify your other feelings, and accept your grief.