the fact that no one is ever glad they relapsed
nobody who’s ever gotten sufficiently addictively enslaved by a Substance to need to quit the Substance and has successfully quit it for a while and been straight and but then has for whatever reason gone back and picked up the Substance again has ever reported being glad that they did it, used the Substance again and gotten re-enslaved; not ever.
Context
The empirical anti-relapse datum, delivered with the litany's deadpan weight: across everyone who has ever gotten clean and then gone back, not one has ever reported being glad of it. Not a slogan or a threat but a reported observation, its force entirely in the "not ever" — the one fact the craving is designed to make you forget in the moment it matters.