Stressed Out Over Every Decision, Honestly

I'm driving myself completely bonkers overthinking everything, trying to control every little thing. I've been sitting here wondering if maybe staying at home with Mom and Sis would be better-no agoraphobia, no roommates. How am I supposed to start work now? Did I even make a mistake applying for thsi job in the first place? My boss seems really nice though-I mean, the keyboard kind of gave me a bit of a scare there-but I've wanted to do this for so long. It's been my dream job. But every time Mom starts drinking or gets mad at someone else, I feel like running back to university city in a heartbeat. It's not that I'm trying to avoid growing up; it's just with my agoraphobia and social anxiety, being out here by myself makes me feeel really lonely, scared, and hungry. But even though I'm anxious now, maybe staying at home isn't the best idea after all. Aghh.