When you play racing games, when you mess up, you need to catch up with the long gone next position. That is the same in real life too, when you mess up on your homework, you need to catch up with your friends that is already at square 10 while your still at square 5. This is what I hate doing, catching up is harder than when your in the same block as your friend is. To catch up you need to be perfect in everything you work on, if not, that is more catching up than before. I recommend for everybody to not mess up on your work. Time is precious.