stupidjassi ji

Fair question. You keep me on my toes at all times. A quick reply -- your question goes to the heart of the "mind-body problem" in philosophy.

This is my untutored understanding..

The mun that dies at the time of physical death is not the sense of mun that dies in nam simran. when we are still alive The mun that dies "while we are still alive" is the consciousness we have of our own "mun". We are conscious of this mun as our personal "mun" and in thinking this way we separate our consciousness from a greater consciousness which is not ours alone. This separation is the source of inner torture and suffering, but also the cause of inflicting pain on others.

Buddhists explain it this way -- there are many individual minds. There is one universal mind or consciousness. When we see the One in the Many and the Many in the One, then we have overcome separation. This is when suffering ends because we at this point gain wisdom and compassion.

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ਮਨ ਕਰਹਲਾ ਗੁਰ ਗੋਵਿੰਦੁ ਸਮਾਲਿ ॥ man karehalaa gur govindh samaal O camel-like mind, dwell upon the Guru and the Lord of the Universe.