Most people think that adding a spoonful of sugar to their coffee is unhealthy, while eating cheese and margarine is healthy. Nothing can be farther from the truth. Many people do not consider alcohol to be a source of their calories. They will brag about their healthy habit of drinking diet sodas, while sipping on a Bloody Mary. That is why people pig out on their vacations.
Buffets are the enemy of weight control.
It is human nature to eat as much as you can in order to be the winner in this bargain deal. Plus, there is the added delight of sampling a variety of dishes, including a bounty of mouth watering pastries, cakes and pies. Diets are hard to maintain in the heat of such social pressure. Traveling is another enemy of weight loss. Many smart people tend to eat fast food a lot during traveling, probably for the sake of convenience.