So I've found myself in somewhat of a weird and confusing situation with an ex of mine.
We dated for a couple months and broke up about 6 months ago because she had recurring feelings for someone she was with for several years. He lives in another state now so she didn't dump me just to be back with him. We didn't talk for a few weeks then started spending time together again. In the past 6 months, we've become extremely close. We consider each other best friends and even tell each other we love one another. Once, we did sleep together after breaking up and then we also drunkenly made out on New Years.
I'm completely in love with this girl but I've accepted what we have right now no matter the context of our relationship. She recently began dating a guy who honestly is not good for her. All they do is argue, mostly because I'm a major part of her life and she told him that I come before he does. I know her and i are great for each other but she know that if anything were to happen, a relationship between us would be a very serious and committed relationship which she says she just can't handle right now. I understand that because shes a very young, busy professional in a huge city but at the same time I just don't understand some of her actions when she obviously still has feelings for me and has stated that.

I've recently considered cutting way back on our communication and getting some space. I've begun to feel like I'm unable to move forward in anything while she's kind of doing what she pleases in terms of dating and trying to be social or have fun.
Any suggestions on what I should do in this situation?