My girlfriend and new baby mom moved home?

my girlfriend moved home with my baby today she said she did not feel secure. i had no job and my bussiness was failing so we had no money. she went home to visit for a week then said she was going to stay another week in the mean time i have gotten a very good paying job. she does not really say i love you anymore only if i say it first and she still sometimes does not say it back. she started texing me the other night saying she needed to talk to me and then an hour later said what am i doing. when she picked up her stuff today she was with her step dad i was at work she told me she wants to talk with me but it would be later i asked her if it was about us she said yes i asked if was good or bad she said good but that she could not talk about right then cause her step dad was there. i dont know what to do i love her so much and my new son i don not want a broken family. how do i get her back help me what do you think she is saying