Boy friend confusion

My boy friend and I have been together 5 months, and my mother passed away a month ago, I was forced out of my moms house and he got an apartment with me. He was living with his mom and is a HUGE mommas boy and was scared about the move, as was I. A week after we move in, I’m depressed because I’m finally grieving my mother and started a new job, changed my whole life. I’ve been having bad mood swings and taking my anger out on him in some ways. He all the sudden says I don’t love you the same anymore, but I still love you. I asked are you sure? And he said yes. Then the next morning says he loves me and doesn’t want to leave me and he’s sorry he put me through that and making me feel shitty. He said he was just scared and felt like just running would solve it.. now I’m stuck between believing him and if I should be with him knowing this little scare could happen again.. I’ve been through hell and Idk what to do or if I should give him the benefit of the doubt because he may be really afraid since he changed his life to make sure I had a roof over my head.. or does he really not love me and feels bad, feels like he can’t leave me?. What do I do :/