Wilfred Barlow wrote something of this in his book The Alexander Principle (used copies available at www.amazon.co.uk)
My colleague Chloe did a study some years ago, asking teachers and trainees how they felt the Alexander Technique had affected their sexual experience. The results, if I remember correctly, were that the women found they were able to articulate more confidently what they wanted ,thereby gainiing mmore satisfaction, and that the men found that they had sensual pleasure throughout their whole body, rather than just the sexual organs. So, the conclusion was that yes, AT can help change your sex life! Less end-gaining and being more in the moment. You can read an extract of this is Direction Journal www.directionjournal.com/journals Volume 2 Issue 4 – Sexuality
I had a student some years ago, an older woman, who had come for lessons after tearing her psoas muscle and was walking gingerly, legs first. Together we reorganised her balance and disovered she could walk quite safely without tipping backwards. One day she arrived beaming from ear to ear. She confessed that since her accident she had been afraid to have sexual intercourse, but that last night she and her husband had had a glorious time!
So, you may find that the indirect approach of reorgainsing your balance and increasing your flexibily may have all sorts of other unexpected but welcome effects in your life.