My PTSD, depression and these hormones are going to be the death of me. I get so anxious and…

My PTSD, depression and these hormones are going to be the death of me. I get so anxious and depressed over being alone even for a couple hours. Plus I'm feeling like little more than a dead weight to my roommate and SO with me not having a job or anything. Debating on using my Tax refund to get me a cheap car since we could use a bigger one or if I should use it to get the things LO needs. So far it doesn't look like we'll be getting any help from family