One of the satsangis in a recent youth session narrated a nice short incident.
A Jain monk had shaved his head completely. Nothing out of the ordinary. Someone still asked him why he did it. The monk replied that he too previously had tried everything – oils, shampoos, conditioners, balms – you name it.
The he realized something profound, and said “Shareeri se a-shareeri hone tak sab kuch chutega”, which means – by the time we go from birth to death, everything will have been forgone. That is just the way of life. Youthfulness, energy, black hair, white hair, any hair – everyone will have to leave all these things behind at the end.
If one is on the spiritual path, one would do well to make peace with the end – well before the end. If despite having all the knowledge in the world, one is still worried about the hair on the head, then of what use is spirituality? We need to leave these things well before they leave us.