with the exam just around the corner, there's no other stuff to do besides giving some space for my brain to absorb all these great ideas and laws and whatsoever. and i admit it. i'm not that good in memorizing. for a better future, i choose to understand and comprehend those equations, how are the geniuses derive these formulae.
to eat chocolate, there's no fix source that can give it to me directly. so, going to the gym is a better idea. brilliant.