Do you suddenly feel sad? How do i deal with it ?

@kunking (1116)
China
April 10, 2007 6:50am CST
I sdmit that I am ot a man of optimist.Sometime I am very happy talking with friends and gona be very excited,but soon I feel a little sad that I don;t know why,maybe I just worry about too much...So dear ,do you have the same feeling with me? How do you handle with the problem?
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