I've seen this in the military during the winter where a conscript complained he was cold so the drill instructor had him strip to his bare ass and stay like th

I've seen this in the military during the winter where a conscript complained he was cold so the drill instructor had him strip to his bare ass and stay like that for 2 minutes then asked: "Are you cold now?" "Yes sir!" "Now get dressed!", "Are you still cold?" "No sir!"