naturally this says COUNSELING to me, and if you are both actually committed to fixing it, don't settle until you REALLY get help (been there with that kind of a mistake - too many therapists in this world - search until you have the one that actually helps maybe even a specialist in sexuality/marriage/etc)
and this also SCREAMS to me:
FIND SOME WAY TO MAKE YOU FEEL HAPPY INSIDE YOU AGAIN! i HOPE it won't take splitting up for you, like it did for me, since that can often be so sad for kids (but not terrible, as in my case so far) but whatever it is -
SEARCH for that part of you that you gave up. first of all, he fell in love with you b/c you were in love with BEING you. now you are compromised. so neither of you is excited by you. and second, YOU are the only one that you can control and the only one that matters. meaning, we all only matter most to ourselves because our goal is to be the best people we can be and then others can enjoy us as well - and if they don't they can go to hell because we love and like ourselves enough
if i am happy with myself, i can be a better mom, friend, mate, worker, etc.
and NEVER give up faith that you were put in this place because you can handle it and that life will feel wonderful again!