sth jus came flashing thru my mind..
still rmb what 钟老师 have told us..

if you wish that everyone around you to be safe and sound... remember to tell them good morning and goodnight whenever you go to sleep or when u wake up...

althou its jus a myth.. but till now i still believe in it.. haha..
and till now i still say goodnight to ppl ard me when i m returning to bed..
=)