You always need water. You always need food.
That's patently false. If I already have the food I need and water I need, I do not need more. Therefore, more food or water have no value to me. Again, NOTHING has intrinsic value because value is the value that a person places on an economic good based on the benefit that they derive from the good. If they derive no benefit, then it has no value. Plain and simple. There is nothing that every person on the planet needs more of right now, so there is nothing that has universal value.
Whether you are trading or not is beside the point. It has intrinsic value to you and everyone else. Move along. I proved you wrong. Get over it.
LOL. There's a difference between proving somebody wrong and thinking you proved somebody wrong. You should take some basic economics and get yourself an understanding of diminishing marginal utility.
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