So me and my baby father has been together for four years now I am 31 weeks pregnant and this is my third child but his first he had always been their for my other two kids everything was going well the h stop coming over and started spend less and less time with me when I ask him about it he got up set and we didn't talk for two weeks we stared talking again but he still not coming around i ask him to spend time with me again and she started bring up thing from our past fight I don't know what to do should I walk away or could it be that his nerves about the baby