stumped

I need a mans advise on my dumb ass boyfriend!!!!! I'm 4 almost 5 months pregnant and he changes his mind on having a baby due to financial stress and wants me to abort and then tells me if I dont Im on my own... He also says that he might change his mind but as of now he dosent think so. We have been talking about having a baby for a while now.. from picking out names to talking about what it would look like... He acts like there is a return policy if he changes his mind WTF.... it's not like he dosent have any kids he has one from his Ex wife... why did he cum inside me knowing we were using no birth control? we have done this are whole relationship ( we were together for 6 yrs broke up for 1 1/2 and then got back together 5 months ago.. What in the hell is going on in his head... what do i do????? I want to know what the hell he is thinking (we were planing on having a baby) It sucks raising a baby by yourself..