And you act in accordance with this variance in value. No doctor would ever advise a patient seeking to lose weight to merely eat less food, because a huge difference exists between celery and cheesecake. Some foods are more fattening than others. Some foods are more palatable than others. And as a corollary, no one would ever present a friend with a birthday trout stuck with candles or a lover with a box of raw peanuts on Valentine's Day.
Some foods are more seaonally appropriate than others.
First of all, despite occasional claims to the contrary, you don't consider some drugs to be drugs at all. Many of you champion the notion of a drug-free America while sipping your beers and smoking your cigarettes. It intoxicates, and if you drink enough of it, you stop breathing and die. It is a drug. Tobacco is addictive and produces marked physical and mental effects.