"Because the symptoms of bingeing, vomiting, exercising, or starving can be so disruptive and frightening, it is easy to pay attention only to those behaviors. To do so, however, misses the point. The overt symptoms are just the tip of the iceberg. Beneath the surface lies a much larger piece of the picture - a complicated world of feelings and experiences that are very much part of the eating disorder. Both the visible and invisible parts need to be acknowledged in order to understand the disorders of bulimia nervosa, anorexia nervosa, and binge eating."