A cold joke

2 days ago, i was extremely bad mood... my fren(liang) had told me a cold joke about cha siew pau and man tau... one day, cha siew pau n man tou went to watch a tragic movie... During dat time, cha siew pau was crying but man tou didn't... could anyone guess wad was the reason??? the ans was cha siew pao had fillings but man tao had no filling... lolx... although it was a cold joke but i was happy wit it as he had tried his best to make me feel better... lolx... d more he tells me bout his cold joke, it enables him to becum an expert one day =p