How would someone, who reached the achievement but who is victim of a great mental decay, maintain his realisation ?

QUESTION (resumed) :

How would someone, who reached the achievement but who is victim of a great mental decay, maintain his realisation ?

QUESTION (original) :

I have kind of a strange question. If a person attains self-realization, but then experiences a major mental decline (due to alzhiemers or some other mental disorder)... will they still maintain their self-realization, or will this decline also?

ANSWER :

When we continue zazen our mind is immobile, so it is not necessary to be anxious!

KOSEN!

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