The impulse purchases are an polemic topic. Because as humans, we have certain needs, some of them are reals. And somethimes we can confuse the real needs with created needs. psicologist and marketing specialist keep doing studies and experimental to understand this behavior. By the other side, are the advertising expert that take advantages of these to encourage to the people to finally do purchases, even if their product satisfy just a impulse to calm another situation like stress and you feel for a moment that shooping anything you can use like a distractor of your attention for a moment. Exist business that need increase their sales and are people more sensitive to realize this kind of purchases.