Answer:
You need to believe in yourself, and have faith that you can and will succeed. Have a positive attitude and just be yourself :)
I'd say 13-14 years of age... usually when kids are starting high school
Carbohydrates, Lipids and proteins
The least amount of calories you can eat is 1,200 for women and 1,500 for men.
Hope it helped.
Have a nice day.