Others have mentioned the importance of a plan. I echo this sentiment. It puts you in the driver's seat of your own life. It is important that you start taking control back. Even if you can't exit right now, choosing to stay gives you a sense of control.
Start building friendships outside the society. This will come in handy later.
"Coping" is something that Witnesses do to tolarate an intolerable situation. Coping hardens the arteries, bows the back, raises blood pressure, reduces testosterone, weakens your immune system and is generally very bad for your health.