More is always better. The saying, while true to a certain extent does not apply to everything. The usefulness and the satisfaction an item brings diminishes as the quantity of that item increases.

Take for example your clothes. Say you are currently naked and you go to the store to buy a set of clothes. The set of clothes would be extremely useful because it keeps you covered and protects you from the cold. If you bought 2 set of clothes, it would still be mightily useful because it allows you to remained clothed while you are washing the 1st set of clothes. Now fast forward to the 100th set of clothing. How useful would that set be? I highly doubt it would bring about much more use or satisfaction then the 99th set.

This applies to everything else, even money. ( Yes, that's right, I said money..so shoot ......