Advice Needed

Has anyone been in a relationship where they feel extremely lonely? I don’t feel safe in my relationship. To me, your partner should be your safe haven. I don’t feel like I can be my authentic self anymore. It is almost like I am walking on eggshells. I am unable to share my thoughts or feelings without him becoming defensive (it then turns into a fight). I feel like my significant other won’t let me go, but won’t do the right things to keep me around either (you know, the normal things that healthy people do in relationships). To clarify, he doesn’t want to let me go. He seems to think that everything will work out. He isn’t very thoughtful, not emotional at all, and does not seem to willing want to change his negative behaviors. He seems to be stuck in the “this is just how I am mentality”. I have suggested therapy. He declined. He has been drinking a lot. He seems to try to drink his problems away. I have been seeing a therapist (it has been helping me). I have told him that we should go our separate ways. I don’t feel like things are improving. He does not want to let me go. His response is that I’m all he has in this cold world. I feel bad, but I need to be happy. I feel anxious and depressed. I know it’s cliche, but I want romance. I just want to be able to talk to freely speak to my other half about anything and not be judged. I don’t want money or material things. I yearn for closeness/intimacy (more than just sex). I want to be equal with my partner. There has been a lot of emotional trauma. I feel like I am at the end of my rope. I am embarrassed of my relationship or lack thereof. I’m pretty simple. I just wanted to be loved and treated like a queen. I am more than willing to treat him like a king as long as we both are putting forth the same effort. I feel like I am losing my shit. I’ve been silently crying so much lately. I love him as a person, but just not his bare minimum ways. I’ve been on a spiritual journey to regain my confidence, work on my self-esteem, and becoming a stronger woman all around. I’ve been eating right, exercising consistently, and just doing everything to become my best self. But, I still feel a void in my heart. All I want is a “best friend” to do life with. I hide these issues from my friends/family because they are judgmental. Any advice will be greatly appreciated.