english: There can be many mechanisms for this effect: One possibility is that your friends say to you something like -- you know, they adopt a behavior that spreads to you -- like, they say, "Let's go have muffins and beer," which is a terrible combination. (Laughter) But you adopt that combination, and then you start gaining weight like them.
non_english: Existuje mnoho mechanizmov vedúcich k tomuto efektu. Jednou z možností je, že priateľ vám niečo povie, a teda nadobudne správanie, ktorým vás ovplyvní. Povie napríklad: "Poďme na koláč a na pivo", čo je strašná kombinácia. Ale vy si na ňu zvyknete a začnete priberať ako on.