I think I'm in a much healthier place. I sometimes still have moments where I feel like an outsider amongst cis and trans people alike, but I feel much less haunted by my non-binary identity.
Finding peace in my own liminality --and as a mixed race, bisexual, non-binary expat, trust me, my life is full of it

-- was a challenge for me, but one thing that helped was finding a group of likeminded people. In the past, the only NB community I had access to was Tumblr, and while that site is invaluable in many ways, it made me feel wretchedly ancient at the old age of 20, haha.
I felt like I was up against a different set of circumstances than the others I was encountering, and it made discussions feel out of touch, even ridiculous, to me. Not saying they were, objectively -- just that I, reading posts, often found myself baffled by suggestions or discussions that didn't seem set in the adult world. (For example, a "f*** thy haters" attitude might be psychologically affirming, but there are some things I can't afford to say to my boss without losing my job ... the job I need to pay my rent. Being told that made me complicit in transphobia grated on my last nerve.) I felt like the binary world was impenetrably walled off to me and the NB world, while technically accessible, was some kind of weird fantasy swamp, alluring but toxic.
Unfortunately, I was so embroiled in the dogma of social justice that I internalised a lot of shame, and I was afraid to that saying "Hey, this doesn't reflect my understanding" would reveal me as a bad person. I assumed that I was unilaterally wrong and that the voices I was encountering were unilaterally right, even if they said things that struck me as hurtful, offensive, or strange.
Meeting people I trusted enough to open up about my concerns helped me a lot. Hearing someone say, "You have a right to think critically about this, you have a right to disagree as a member of this community" was very validating. I felt more confident in myself, and as that confidence grew, I found that I was more and more comfortable being non-binary. Fitting in mattered less to me. I was okay with myself.
I still do feel alienated from binary society, especially cis binary society, but these days I'm better able to see it as a problem with the rigidity of our boxes, rather than a problem with ME for not fitting in them.