Not to mention in restaurants where one never know whats going on behind the scenes or how long the food is out or even if the food handler has washed his hands after taking his big D... ? However our bodies or metabolisms, can tend to be stronger then we think but I still would not provoke the devil mainly when abroad and always remember the magic mantra when travelling...
"if you can't peel it, cook it or boil it....forget it"......with this, small chances in having to spend the rest of the stay on the loo.