There is absolutely a difference in perception, especially noticeable with metal/non-metal. Drink a soda from a can and then the same kind from a glass? Night

There is absolutely a difference in perception, especially noticeable with metal/non-metal. Drink a soda from a can and then the same kind from a glass? Night and day. Try experimenting with spoons to eat: wooden, plastic, different metals. You really notice that, or you should: the spoon goes right on your tongue to introduce the food.