<human>: Can you give me the gist of the text in a nutshell?

hey world. I've been dating this guy Brent for 3 years. We met in high school, and we currently attend the same college. I had the sickest crush on him when I first met him, and our relationship was perfect at first, but it's just annoying now.

It seems like everything he does bothers me. He can pick me up from work and I can't even look at him because his face annoys me now.

He always asks if everything is okay. And I constantly tell him that I want to break up with him. But he can't deal with that. He starts crying, and grabbing me and preventing me from leaving.

I always say okay I'm sorry, I didn't mean it, because I hate to see him cry. He genuinely is a wonderful person. Our personalities just aren't right for each other. Every thing he does bothers me. 

I decided that I really needed to break it off for good when we were having sex and I was thinking of someone else. I almost called him the wrong name, but quickly redeemed myself. 

So reddit, what can I say to him to get him to finally realize it's over?
<bot>: My boyfriend doesn't realize this relationship is over. Even thought I tell him time and time again that this isn't working out, he refuses to believe me. HELP