ingrid_STO said:The distinction that resolves most of these threads is between what is true on average and what is true for one person.
Adding a me-too, because a thread of one person's experience is not much use.
Adding the numbers, since they settle part of this. Say what you would expect to see if you were wrong, before you look. It is a small discipline and it changes what you notice.
A narrower follow-up, since the general answer is now clear:
How long did you give it before you decided it was working?
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Shop Reference Standardsdave_SLC said:Say what you would expect to see if you were wrong, before you look.
Filing a mild objection. Mild because I might be wrong; an objection because nobody has addressed the case that does not fit. Filing an objection on the n=1 problem. Personal experience is genuine evidence about one person and very weak evidence about anybody else, and this thread keeps promoting the first into the second.