Just not sure, please help

IM NOT SURE WHERE TO START SO ILL JUST START I GUESS, OK I LEFT MY EX OF 11 YEARS TO B WITH A BISEXUAL WOMAN, SHE ALREADY HAD A MAN SHE WANTED A WOMAN ALSO, I MET HER IN NOV 2011 WE HAVE BEEN TOGETHER EVER SINCE, ABOUT A WEEK INTO OUR RELATIONSHIP SHE ASKED IF I WANTED TO HAVE A THREESOME, I AGREED TO IT, AND NOW WERE ALL TOGETHER, IM DEEPLY IN LOVE WITH HER BUT HIM AND I WERE JUST FRIENDS WITH BENEFITS WHICH IS OK WITH ME CAUSE IM NOT INTO MEN REALLY IM INTO JUST WOMAN, I DONT KNOW WHAT TO DO I LOVE HER VERY MUCH I WANT HER AND JUST HER BUT SHE WILL NEVER GIVE HIM UP , I WANT TO WALK AWAY SO BAD BUT WHEN I LOOK AT HER I MELT SHE IS AN AMAZING WOMAN I TREAT HER LIKE THE PRINCESS SHE IS AND HE IS A GOOD MAN BUT HE DONT TREAT HER LIKE SHE DESERVES TO B TREATED. IM IN SUCH TERMOIL BECAUSE I DONT KNOW WEATHER TO JUST WALK AWAY OR STAY AND DEAL WITH THE WHOLE SITUTION, ALOT OF PEOPLE SAID A THREESOME IS VERY HARD BUT I DIDNT THINK IT WAS GONNA B LIKE THIS....IF ANYONE HAS ANY IDEAS WHAT I SHOULD DO OR ANY ADVICE ID GREATLY APPRECIATE IT...
THANK YOU

Hi KarriesBaby - menage a trois's rarely work out, it takes a lot of trust and understanding on all sides not to mention equal love for all those involved. I think if you stay in this set-up you will come to resent the guy more and more. I would try and work with a therapist to build up the courage to walk away. If the woman you love won't give up being with this man the only person who will end up hurt is you. Asking this woman to leave someone else she loves for you isn't fair for you both. They're clearly happy with the set up so i would leave them too it and go find someone worthy of your love. I wish you all the best.

There is nothing wrong with being monogamous. Though you have deep feelings for your lover, the two of you have different values and different sexual attractions. I think you should pursue your heart and seek a monogamous relationship. I am sure this is a painful choice. Counseling can help and I firmly believe you should find a good counselor. I wish you all the best.

Wow - a 3some can be very difficult, especially if there are real feelings between some of the parties. If it's just casual for all parties, it's a lot easier.
You need to talk to her about how you feel about her.
Then you'll know if she's prepared to leave the man to be with you.
Otherwise your heart will be broken every time you look at her and know she's not yours