Am I dealing with a narcissistic asshole?

Literally every single time this supposed man I call my boyfriend for some strange reason does not get his own way or feels like something isn’t satisfactory, he can talk down to me and his son or make passive aggressive statements and I should just let him say what he wants because I moved in with him & he thinks he’s an alpha & a provider.

He half asses everything and constantly criticizes everything. I could spend the entire day cleaning and doing laundry and he will walk in and ask why something hasn’t been done or if I finished everything.

He’s nasty as fuck. Doesn’t clean up after himself and teaching his son to be as nasty as he is. Doesn’t listen to anything I say until it’s too late or after my input is dismissed or disregarded.

He has sensitivities to food so he tends to use that as an excuse for not trying new things or expanding his palate. When he decides to make breakfast he makes what he wants & gets an attitude every time I suggest something or completely ignores my suggestion in the first place. So I do not make him breakfast. I have done so too many times and had to throw it out because he says he didn’t ask for that or isn’t in the mood to eat it.

I’m over this relationship and it’s clearly benefiting him and depleting me. The problem is every time I try to remove myself. He forces a way back in. Yes, I let him. But I’m realizing we both need to end this relationship. He needs to focus on his life and I need to focus on mine.

Finally remembering why I needed to stay single and let him keep himself and his fucking issues to himself.

How can I get rid of him for good?