Snacking while watching a movie is a practice that is hard to kick.
But least do we realize that these add on to your calorie intake. Lets look at the figures. Large popcorn with butter amounts to 1500 calories. Reese's pieces add on 1200 calories. And the large coke that goes with these is another 521 calories.
All of these movie snacks add loads of fats and carbohydrates that are difficult to burn. Thus, a movie buff is more at risk of putting on weight than an occasional visitor.