Reading Task. Read the statements Sources: https://learnenglishteens.britishcouncil.org/magazine/sport/five-reasons-work-out Five reasons to work out. 1. Exercise can completely change your mood! When you work out, your body produces endorphins, which will give you a rush of euphoria and happiness. You will feel better after a workout than you did before it. Next time you're having a bad day, try going for a fast-paced run or taking a spinning class, and the day won't seem so bad after all. 2. Exercising is sociable.