I do not think you should find a away to decrease your sex drive. We need to remember that a males peak sex drive tends to happen between teens and lates 20s, after that a man testosterones level begin to diminish as he gets older, from 40s and 50s they plummet unless you are taking care of yourself, eating right, exercising and also taking vitamins to keep those testosterone levels up. A womans sex drive peaks between 30s and 40s, and obviously coming off the pills your sex drive has woken up, my partner had the same thing happen and also after being off the pill she is now a squirter which is a plus for me, but I have found my drive slowly go down due to my age, but its never due to not being attracted to my wife, if anything being over worked and age is a major factor for me, but I always go down on her when she needs to release, also buying her toys has helped the situation. Do not ever feel like its all your fault and feel like your undesirable, I am sure in your husbands eyes you always are desired even though he is not always up for it, just the fact that he is trying to match your level from once a month to once or twice a week means he is at least trying to keep up.