I'm feeling sad about my future?

I'm 42 years old and I was laid off two years ago. I worked as an Administrative istant in Securities. Since then it’s been tough for me to find a job in banking. I’m interested in nursing on either becoming an LPN/LVN. I’ve checked schools that give these cles. All the cles are full time, and they’re quite expensive. The one I thought that might be good for me is $21,000 can you believe that and the thing is I cannot get free money from FASA, because I owe another school that turned out to be bull, and to top it off I didn’t finish because I realize it wasn’t a good school. Honestly, I don't know what I am feeling but suddenly I fell anxious, pessimistic, and stress up over my future. It seems that everything I am trying to do doesn't work out, I feel that I am not even able to make a right choice for my future. Any advice?