Are intimate friendships truly necessary?

We've all experienced the gradual drifting apart from once-close friends or felt the weight of maintaining meaningful connections. But is this a universal experience for young people today? Should we be concerned if we don't have that many close friends? / Do you sometimes feel that the secret to happiness lies in the 'useless' things we do (19:39)? On the show: Niu Honglin, Steve Hatherly & Yushun