For some students the retention of subject information is good throughout the year, and therefore they won't need to revise for more than a couple of hours each day. However, there are those that struggle either because they haven't applied themselves effectively throughout the year or because they genuinely find learning harder than other students.
Managers have been taking risks by signing injured players or those with a lengthy injury history for a while now, as well as being desperately unlucky when they pick one up soon after arriving. Here are five recent signings who, had they stayed fit, could have drastically improved their club's season.
While Holtby isn't quite the finished package, he's clearly improving with playing time. His utilisation by Magath is allowing him to display his qualities to the watching world and undoubtedly has Spurs fans rubbing their hands with excitement for his return to White Hart Lane once the season reaches its climax.
The battle for the Premier League title will be nothing short of action-packed this season, but cast your eyes a little lower down the table and you will find an equally-as-interesting situation. Could this be the most exciting relegation battle we've ever seen? Or have there been even closer fights to avoid the drop?