What is MengMeng's hobby in Houlang?

Sex addiction. According to the plot of Houlang TV series, MengMeng is precocious and has a special hobby, that is, he will be more eager for the intimate relationship between men and women. MengMeng grew up in an intellectual family with traditional parents. Because of this addiction, MengMeng ruined himself, and his parents were particularly disappointed with MengMeng. So MengMeng in Houlang is a sex addict.