Jim Allen:
Sex is nothing to feel dirty or ashamed about, nearly everyone has sex, and it's perfectly normal.
You took a risk that multiple millions of people take daily, but you were one of the unfortunate few. It will not be your last mistake; I am sure it was not your first, but it sounds like you are still digesting the news and the idea of living with HIV. This can take time, and we're here for you. You are not alone.
Are you getting any support and treatment for the depression? Also, what does your support network look like regarding HIV, do you have anyone to talk to? Are you engaged in any peer support groups or therapy sessions?