Next time, look at your bottle...Medicine looses it's effectiveness, the date is a safe guard. Some turn to poison after the date...
Everything degrades in time, ask the SLOTD, but the SLOTD is not an effective argument from your perspective. You are simply wrong. Binary shells are binary for a couple of reasons, one of those reasons is that the precursors are much more stable than the endproduct.
Ask your wife about that.