Although I have followed the metals market for years, I only started my real physical stacking a few months ago. I bought a lot of Eagles and Maples when the spot was $20.23. Now that the price has fallen to $19.44, I am already freaking out. How could I have been so foolish - my investment has already lost value in just a few months!!
But then I remember: I didn't make my purchase with the thought of one day exchanging it for even more fake fiat. I bought it, so that I can eventually trade it for real things, from motivated sellers, who are also nervous about the future value of their fiat currency.
Disciplined stacking serves several objectives: Savings / Investment / Insurance. Besides these tangible and measurable benefits, there are also the intangible benefits: Security, Peace of Mind, and Hope for the future.
I am actually lucky that I did not have the money to invest, when silver was at it's peak. Now I feel confident investing on a regular basis, as I believe that these prices are about as low as they're going to get. The price might drop another dollar or two in the short term, but that will only be a brief dip, as the bargain hunters will quickly bid the price back up to a new "normal" level, which will probably be a couple bucks higher than it is now.
But for me, the fiat value is not really relevent - it's the actual future "purchasing power" of the silver that will motivate me to continue stacking for as long as the price looks like a real bargain.