I really need help. I'm in 8th grade and by 9th grade I want to weigh only 140 pounds. I think if I weighed around 140-145 I would be fine. I know that I need exercise and eat right but its so hard. My family ALWAYS has junk food in the house and I ant help but grabbimg something. I feel gross after every meal and I hate eating in front of people. I need help,fast.