Hāliddikānisutta

sn22.3:9.1 And how does one not get close to people in town?

sn22.3:9.2 It’s when a mendicant doesn’t mix closely with laypeople, not sharing their joys and sorrows—not happy when they’re happy or sad when they’re sad—and not getting themselves involved in their business.

sn22.3:9.3 That’s how one doesn’t get close to people in town.