english: Patrick Quinlan, former CEO of Ochsner Health [System], told me about the effects of their 10-5 way, where if you're within 10 feet of someone, you make eye contact and smile, and if you're within five feet, you say hello.
non_english: Patrik Kvinlan, bivši direktor Zdravstvenog sistema Ošner, pričao mi je o efektima njihovog sistema 3-1.5, prema kome, ako ste udaljeni od nekoga tri metra, uspostavićete kontakt očima i nasmejati se, a ako ste udaljeni 1,5 metar, reći ćete zdravo.