How Does the Yetzer Hara Lead Us Back to an Old Habit Without Our Noticing?
Why do old habits often return through small, reasonable-looking concessions rather than one dramatic decision?
This Hagut Yosef essay describes gradual backsliding: a person makes a firm change, then accepts a series of small concessions that each seem harmless until the old pattern returns. The source connects this to “be holy” and to setting wise limits even in permitted areas. The health example is illustrative only and is not medical advice; the historical analogy is not treated here as an independent factual claim.