After going to college I've learnt quite a lot.
--> How to sleep in the class with your eyes open.
--> How to cram the entire book in one day.
--> How to listen to songs sung by enunchs at 2 in the night.
--> How to find out which guys apply fair and handsome cream.
--> How to survive on chocolates and biscuits.
--> How to blame others for your faults in the most effective and optimal way.
I've learnt other things also, but these have proved to be the most fruitful.