It only measures 1.50 m, but Dr. Ruth Westheimer is a force of nature. A pioneer in the field of sex therapy, she was a true institution in the 80s and 90s. Now, at 90, she continues to try to help the people who need it most, under the promise that if you listen to her , you will enjoy the best sex you have ever had. A woman who survived the Holocaust says so, so how can you not believe her?