When most or all of the major fragrance boutiques in the world or at least within the range of your country and continent know your first, last and middle name, your birthday, your account balance, your social security number, the kind of partner/significant other/object of your passion you are trying to impress by wearing a fragrance, the kind of cosmetics and grooming lines you have to wear so that the fragrance- obviously- lasts and projects well without conflicting with your body chemistry as well as various other inner and outer factors, whether you smoke, diet, work out (in order to recommend a frags which are, again, lasting and projecting under these conditions), your staple order/purchase for formal, semi-formal, romantic, casual occasions, summer, winter, colder and warmer weather, a gift bought for your family, friends, colleagues and much more...