It's obviously just the internet, so we can't be sure of anything we are understanding, but I get a strong sense that you are like I used to be. And when I first went to IC many years ago about my mounting depression, the talk turned to my narcissistic boyfriend of several years. I still remember that first convo.
"Owning, what do you want to talk about?"
"My boyfriend! I am so frustrated! He does this and that, treats me like this and that!"
"Well, Owning, we've talked about him for several sessions. Let's talk about you. What's going on with you?"
"Um, like I said, I'm so depressed and stressed about his behavior. I feel very down."
"I know, but what's going on with YOU? What's going on in your life?"
"I don't understand. I am talking about me."
"No, you are talking about your boyfriend. What about you?"
"Well, I don't really know what to say. I'm fine. It's just him!"
I could not find my happiness, my life, my pulse, my baseline without talking about my R with him. I was so plugged in to his behaviors and attitude, the approval seeking, the trying to solve our problems. I thought of little else. All I wanted was for things to work with him. But sadly, I had saddled myself to an emotionally unavailable narcissist who would never, ever validate me as I wanted.
It took a year or two of weekly sessions for me to get my head on straight and separate my thoughts of myself from my R with him. I finally left him, but it was WITHOUT QUESTION the hardest thing I have ever done. I was giving up (or so it felt like) getting the love and approval I had based my life on. In reality, I had found someone who made me feel like my narcissist mother made me feel, so leaving him felt like accepting that no one would ever love me properly.
Then the real work began--learning to love myself.
I was addicted to the intermittent approval I was getting, and that is what you are addicted to. Accepting that your WH is not capable of loving you feels like accepting that you are completely alone and unlovable. That's a lie you have been running from because it scares you and hurts you. Read Journey from Abandonment to Healing by Susan Anderson. I think you will be able to relate and begin to separate your value from the R with your H. They are unrelated. In fact, he will never, ever allow you to feel valued because he feels too worthless himself. You must save you. It can be done.