You really mean to say, Wow, that the ice cube trays are never filled by my father or myself?
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No, dear Jimdog, I am sure you and your Father are paragons among men.
However there are some among your gender who will persist in taking all the ice cubes in a tray and either replacing the tray without refilling or leaving the empty tray on the drainboard as if it will magically fill and freeze itself!