There were a variety of customers that went to Yuan Zhou's restaurant. Not only were there various customers who ate there, but also people who only watched but never took a bite.
For example, Master Cheng that was allowed by Yuan Zhou to watch, the white-collar that made a detour here but never ate there and the weird man that was once asked by Wu Hai and answered that he only just wanted to look about.
Recently, there were also other onlookers such as Chu Xiao and those who only watched the sergestes silently or only attentively watching Yuan Zhou cook dishes.
Yang Da happened to be the kind of person that only attentively watched Yuan Zhou cook dishes.