Advice on being in an unhappy relationship

I just needed a safe place to post this. I’m in the realisation stage of knowing i probably need to separate from my partner/ babies dad. This was the only way I was able to express and gather my thoughts. Any advice or words of encouragement welcome😢 Sums us up: I forgave you when you cheated You made me feel like I was to blame And to me that pretty much sums us up I let you come back when you walked away during our pregnancy You got the praise for giving it a go And to me that pretty much sums us up I asked for reassurance You offered nothing but doubt And to me that pretty much sums us up I was giving birth to our son, the final push You checked your football bet And to me that pretty much sums us up I used your phone to research teething in babies You accused me of invading your privacy And to me that pretty much sums us up I told you I had never loved like this before You responded with ‘okay, well I love you too’ And to me that pretty much sums us up I told you I didn’t feel pretty enough for you You told me not to worry because you didn’t go for looks And to me that pretty much sums us up I wanted a future with you, a house, marriage, another child You reiterated that you refuse to plan life because tomorrow is never promised And to me that pretty much sums us up You told me our child needed nappies I went and payed for them on my maternity pay And to me that pretty much sums us up You told me the bottles needed cleaning I went and washed and sterilised them And to me that pretty much sums us up You told me you were hungry I went and made you food And to me that pretty much sums us up You made me feel like I wasn’t enough I lost myself trying to morph into the perfect person And to me that pretty much sums us up I was a girl who wanted gentle and patient love You were a man that didn’t know how to show me that I compromised and did everything in my power to help you love me You told me that you weren’t happy and that I wasn’t enough And to me that pretty much sums us up