I suppose he had a burnt out and wanted out so he disappeared all of a sudden and he made a vow with the entertainment bosses that he is never to re-appear
LIU WEN ZHENG 3 ALBUMS RELEASED IN 1983 FAILED TO ENTER TOP.5 IN TAIWAN ALBUM SALES CHART.HIS LOUSIEST ALBUM TOMBOY GIRL RELEASED IN.MAR 1984 SOLD SO BADLY IN TAIWAN THAT HE WAS GIVEN THE BOOT BY HIS RECORD CO.HIS MOST HATED RIVAL FEI YU CHING DID MUCH BETTER THAN SURPASSING HIM IN ALBUM SALES IN TAIWAN SINCE 1983.THE SUN HAD SET ON LIU WEN ZHENG THAT HE HAD NO CHOICE BUT TO TAKE A BOW TO SAVE FACE.,MAKING HIM THE MOST SHORTLIVED SINGER IN POP HISTORY. IN SHORT HIS MUSIC CAREER IS ONLY MEDIOCRE.