Feel like I am going crazy.

well as the other ladies said you are certainly NOT going crazy.  I too went down the same road a couple of months after i finished treatment, and started on Arimidex.  Uunfortunately this is the time we think we should be on top of the world, we are here to tell the story, we should be greatful etc etc.  but on visiting my breast surgeon for my check up i burst into tears, and then explained what was happening, i knew this sad, and grumpy person was not me, he explained that a large percentage of women who finish treatment fall in a heap, he suggested a take a mild anti depressant for a year to fix it out. My reply to that was i am a strong person, i got through the other crap, i can get through this, but he explained i would only go further down, and i was one of the lucky ones who accepted something wasnt right, anyway after having the prescription for a week in my drawer and after another crying fit, i decided  to give it a go...... The best thing i ever did.  I was on them for a year and knew myself i was back to normal, so visited the doc and was able to come off them. NOW I AM BACK TO NORMAL. so seek the information you need from the professionals, and they can help you decide what road you can take.  Just dont feel there is something wrong with you feeling like this, its a side effect of BC and treatment. and i am sure the professionals will get it fixed out. Take Care Moira