what happens on tour stays on tour

what happens on tour stays on tour

Any scandalous activities that happen when one travels in a group are not to be discussed with other people afterward. The phrase alludes to the stereotypical partying of musicians on tour. A: "Guys, please don't tell my wife about all the girls I've been with on the road." B: "Sure, man—what happens on tour stays on tour!"
See also: happen, on, stay, tour, what