I need help girls

Me and my boyfriend just found out we are expecting.. and I told him lastnight and he was happy about it but then had a bunch of different emotions about it ..

Then today I get messages from him telling me he wants to abort it (which I will NOT) how do I deal with this without it bothering me? I told him he has the option if he doesn’t want to be apart of the life of our child that’s fine I’ll do it all myself and he said he’s not that type of guy .. I was like you are already walking out and the baby isn’t even here..