i had been on hormone replacement therapy and, after 15 years, had breast cancer in 2013. everything is going well; however, i am still suffering from hot flashes. my doctor told me to take 3900 mg of evening primrose oil. it is helping but not enough. do you have any suggestions? also, i had a very healthy sex life with my of 44 years. now, i have virtually no desire. i am taking letroxole. not working. any suggestiions?