Day 6 maybe : Ehhmmmmm, it may be surprising but today I will do the same thing that I did during all these other days of revisions : Pretend to study!!! No really, do you really think students are studying for real? We are all procrastinating during 80% of our time (at least I do), and the rest of the time we are taking showers as the picture shows it. This is why we have so much problems of water stocks in the world : it is just students taking showers (and bath for some) instead of studying