juno: one thing you said in your first message on this thread really resonated with me, which is the fear of letting people know important things about you, for fear that knowledge will be used against you. In my family, this was my NF's daily routine. He tried to find out what was going on in our lives that we liked, cared about, enjoyed--so he could destroy them by mocking, denigrating, putting down, humiliating. Over and over this pattern played out. So I learned that if something or someone was precious to me, I could never, ever trust my family to know about it. This has played out in my adult life as well, and in the one time I tried therapy. I just couldn't trust my therapist with the things she might have been able to help me with. I hope for you that you can just take the leap of faith, trust that this woman will be able to help you, and that in any event sharing those past experiences openly will relieve some of the burden of carrying them around in your head. hang in there.
re: anti-depressants, there is one that has worked for me, and it's natural and over-the-counter: SAMe. It only works for depression caused by certain chemical imbalances, but it's easily Google-able, if you aren't familiar with it already.