You should never let others pressure you into doing sexual things if you don’t want to. If someone is peer pressure you into doing sexual things tell adult you trust so they get you the help you need.
Every two weeks increase your distance by 2 miles. Focus on strength training 3 times a week and increase intensity at each work-out until you are at a plateau. Continue there building endurance. Keep a record of your heart rate so you don't overdo it.
Glucose is one of the most important sugars in your body. It is used for a wide variety of tasks including the production of ATP, which powers our cells.