Dubbelsided mirror

No-one ever said it should be easy, so why am I expecting it to be? Life's learning me a big lesson now, and I can but hope I won't fall asleep. Guess there's one lesson we're all being told over and over again, a lesson a know I'm telling people around me, which I want them to learn. Think. Only to realise maybe I should've done my homework a little better. 'Cause I obviously failed the exam.