If you want to have sex less often than your partner does, neither one of you is necessarily outside the norm for people at your stage in life — although your differences may cause distress. Similarly, even if your sex drive is weaker than it once was, your relationship may be stronger than ever. Bottom line: There is no magic number to define low sex drive. It varies among women. Symptoms of low sex drive in women include: 
Having no interest in any type of sexual activity, including masturbation
Never or only seldom having sexual fantasies or thoughts
Being concerned by your lack of sexual activity or fantasies

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