The good news is that the hormonal behavior should eventually stop and you will have your sweet birdie back again. So don't worry. All birds go through this in one form or another. My baby now hasn't gone through the terrible two's yet, but my previous bird turned into a little demon and she eventually snapped out of it. Try to keep the same routine with her instead of keeping her in her cage all the time. Increase her sleep by two hours. There are two stickies on discouraging female hormonal behaviors in the Health forum you should check out (if you haven't already.