Significant other doesn't want our children

We have a one year old together now and found out we are expecting another one (surprise). We planned the first one and he loves our son and is a great dad. Now he found out about this one and hes constantly saying he doesn't want it, this isn't the life he wanted, ect. I asked him why he agreed to have the first and he said because he didn't think it would happen. He thought one of us couldn't have kids just because it took longer to conceive. Now he's saying he doesn't want to be "tied down and stuck" and I'm so lost right now I don't know what to do. He wants me to get an abortion but I bawl even thinking about it. Not to mention he is always so mean to me and saying disrespectful things almost daily even before I found out I was pregnant and I confront him about it and he begs and says he's sorry but ends up being the same a couple of days later. I have not once ever talked to him disrespectfully because I wasn't raised like that and wouldn't ever talk to him like that. I guess I'm just looking for advice because I can't stop crying and hes making it seem like I ruined his life. I put this on anonymously because I'm so ashamed..