He joined an HRH club and often modifies vintage sports cars with other enthusiasts on weekends.

HRH 是 His/Her Royal Highness 的缩写，意思是"殿下"，是对王室成员的尊称。在汽车改装文化中，HRH俱乐部特指那些专门改装豪华或经典车型的高端车友俱乐部。