menopuase

Hi, I've just had a full hysterectomy over a month ago due to the fact that I was getting infections. I wanted to avoid having surgery, but had not choice. Now I'm going through some emotional & physical changes. I'm not sure why. I just seem sad and like something in me changed. After the surgery I've had bouts of nausea, vomiting and loss of appetite, I've lost 20lbs, athough that's not a bad thing losing the weigth, but it's been over a month and I'm still suffering from nausea and lack of appetite. I've had a ct.scan and an ultrasound done, my doctor wanted to make sure their wasn't any obstruction. Everything seems ok, so why am I still having these issues? Makes no sense. My doctor can't seem to explain it and says everyone is different, but my goodness. I feel like everything is different about me. This whole thing has thrown me for a loop. I'm having a hard time dealing with the emotions. I haven't had mood swings, but I'm sad, anxious and feeling different. Am I loosing it? I'm a woman of faith, but am having what I call a faith fight. Can someone help me understand, is this normal or am I just weird?