1/ Sorry to hear that, Skrit, I did lost my wallet before, I know how that feel if I lost my $.
2/ I dun suggest to fight if your life was not being threaten. No matter how much $ is gone, u still have a chance to earn it later if u still live. Even if u cannot, think about how your friends and family will miss u if u are killed by the thief. (But of course, if the thief was trying to harm you while he robbed u, self defense or running is a must!!)
3/ I kindly hope that you will provide as much info as u can to the police about the thief, appearance, clothes, etc....which may help the police to stop the crime and prevent the robbery happen again on another victim.
P.S. Folks, I miss this site and u all always, but from Jan 8, 2007, I just start my new job in the marketing department @ SGS in Hong Kong, a bit busy lately, and hey, talk to u guys later and do not delete my account pls as I dun post as often as I am usually do. (joking

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