The rapidly changing moods & tearfullness could be signs of depression or bipolar. Can you talk to your doctor about how you are feeling? He/she might be able to steer you in the right direction to get some help & your parents may listen to a doctor more than they listen to you. I had a terrible time in my teen years, too, but I have been helped by medication & therapy. I think you are making great decisons in your lifestyle. Your parents should be proud of you.--Suzy