when he first appeared, he made xia tian owe him $700, and has tried to go after xia tian to get the money on several occasions, but failed every single time. first, he was stopped by xia mei; second, he accidentally took off xia tian's feng long tie and got defeated by gui long (this marks also gui long's first appearance). finally, he met xia tian again on the street, but this time xia tian gave him all the money he had on him (though it wasn't enough) and walked away.