Emily and Crystal are best friends. both want to lose weight. They together. Doing things together makes things . Emily tried exercising by herself. She it was too boring. She could run for 30 minutes before getting . Crystal tried exercising by herself, too. does not like being alone. She more comfortable with Emily. They go the park three days a week an hour. They stretch for 10 . They run for 20 minutes. They rope for 20 minutes. They play type of sport for the last minutes.