Do you wish you could get better grades? Do you struggle with certain subjects and believe that maybe you're not cut out for them? Do you want to spend less time studying and still get good grades? Maybe you think that some subjects are just not for you. Maybe you don't like to study, because you secretly believe that you just don't have what it takes, so why bother? Maybe you are a parent, worrying about your child's grades, worrying whether they...