A fan Convention makes the values change according to the era of the individual differences like the rich have expensive purchase of gluten, it looks great, but there are people, as some of it occurred comparative .
Fashion make values vary according to age, the popularity of each person is different. example Gluten rich buy expensive so look good. But as people are buying it. Therefore, a comparison
The fashionista make values vary according to age of dominance of each different such. The rich are purchasing expensive, so good. But people have bought enough status, therefore the comparison .