This means that college students choose to insist on exercising to maintain their health. They need to be willing to take the time to do it, and it is better for their friends and classmates to encourage or influence them to exercise.
This means that college students choose to exercise this way to maintain health, they need to be willing to spend time doing it, and better yet, friends and classmates around them encourage or influence them to exercise.
This means that college students choose to stick to the exercise method to maintain health, which requires that they are willing to spend time to do it, and better still, their friends and classmates encourage or influence them to exercise