<human>: Can you summarize the given text in a few sentences?

So, this is a unique relationship that I can go into more detail about if people ask. 

Basically, she is much older than I am. 25 vs 37  I never considered her as my "girlfriend" but we started hanging out more and more often and have developed a strong bond.  I told her I just want us to be FWB and I want to be able to date and fuck other girls that are closer to my age, but she can't accept me doing that.  

The primary reason why I haven't made her my "official" SO is because we have such a large age different between us. I'm afraid of the huge gap in life experiences and the perpetual social stigma about this kind of relationship.  I do know that if she was in her late 20's instead of her late 30's that I would have no problem at all taking the relationship to the next level.  We connect and communicate very well on many levels.  I've gained a great deal personally emotionally and in terms of life experiences by having her in my life for the past six months. 

I have not been in very many relationships in my life, and I feel like at the age I am, I should be exploring and meeting many new people to get a feel for who I am into.  In order for me to pursue other people, I would have to totally cut off ties with this woman and cause her significant emotional trauma. Also, I really like having her in my life, I don't want to reject her, but I need to be able to date others that are my age for many reasons.

We have had many conversations about this issue and neither of us can find a solution. I want her to be poly, but she is not open to the idea of me fucking other girls, she is too jealous.  She wants a dedicated monogamous relationship and I can't get her to settle for anything less. I told her I would love to have a purely platonic relationship and cut out sex, but she said she would miss the sex too much. She said "can't be friends with people she has dated".
<bot>: In an awesome relationship with an older woman. I have to decide if I am going to make things "official" or cut ties with her and pursue others closer to my age.