<blockquote><b>Quoting -Kd.[]:</b>" what if he hurts himself or someone else? I know it sounds like i'm just making excuses to stay, but ... [snip!] ... about this and i dont know if i could live with myself if something happend just because i wanted to be happy. Seems selfish."</blockquote>
You can't stay with someone out of fear, you will never be happy. And what happens when he makes good on his threats? He is abusive, it is not a healthy relationship for him, you or your daughter.
He is bad news, he's selfish to do that to you, I think your better off without him.