How to Get Rid of a Boyfriend During a Relationship Breakup

Eight months ago, i broke up with my boy friend of three years. He was devastated and lashed out; he said things like, i can find women more beautiful than you. Later, he'd say i knew he didn't mean the nasty things he said to me. Recently, we met up after not having seen each other for several months. We had sex and i got pregnant. I immediately knew i couldn't keep the pregnancy,. since i do eventually want children. And yet, i have a soft spot for him still. Why would i miss someone who has been the cruellest person in my life? Shouldn't i finally be ready to move on? Sometimes i wonder