When Change Is The Only Constant.

interesting conversation with xh

me: wa lao! I feel like a snail! Bio tutorial, chem WS and math tutorial all haven touch! Gosh, I so desperately need a miracle!
xh: haiz.. I also take 1 whole day to do an econs essay
me: I know! We have comparative advantage! If we trade our hw, we'll be much better off! =p
xh: of course! but the point of studying is to be self-sufficient ma
me: haiz. that's the thing about perfect competition- we're all A-grade motivated!