This could be a temporary thing for you. It is difficult to be with someone and then not be with them. Being isolated in a different state I can imagine makes things worse. I would try and stay connected with your old friends. Even at a distance it is at least nice to talk to familiar people. I find the more isolated I am, the worse I feel. I not an expert on dating being married for the last five years, but there are other places to meet people. Coffee shops, social events, or places where people with your similar interests meet.
Is it possible to relocate back to where you came from? Being back home could make you feel better. Being around people you care about.