Celery
i say you eat more..
The short answer is :eat less,exercise more.
In most circumstances, yes, you can. The best before date simply means that after that date, the food may begin to lose quality.
Eat a reasonable amount of food and do not snack between meals. Also bear in mind that you are still growing, and at some point it will be perfectly appropriate for you to weigh 128, when you are taller. That is not an extreme weight.
If trying to lose weigh eat the ham skip the cheese and spaghetti
The best way to lose weight as a 12-year-old is to be active. You can also eat a lot of fruits and vegetables.
That's a bad idea. You should avoid junk food, eat moderately-sized healthy meals, and get exercise. If that is ineffective, see a dietician.
Eat less and exercise!!!
Eat less food
you want to weigh 70 pounds? that is not healthy. best way to drop pounds is to eat less, and exercise.
The best way is simply to eat healthy food and exercise for at least half an hour every day.
You could only eat about 2100 calories a day.