You know I won't

近日生病, 無暇管束妹仔練琴... 老實說, 妹仔大了, 要管亦管不來...

某日, 忽有感慨, 與老師有以下一段WA對話..

我 : She is very lazy these days..

老師:  I can tell from her playing.

我:  If she has to fail, just let her fail. There are lessons to learn in life..

老師:  You know I won't.