Can anyone explain why promiscuity is part of the Bipolar Disorder symptoms?

My psychiatrist told me he would have to increase my meds if I begin to engage or become promiscuous in my daily life, even though I’m married. I’m married but I have desires of other men but that’s because my husband and I are not sexually active any longer. I’m 43 years old but look [...] http://bit.ly/reS8bS