Supat is 86 years old and is examining his role in the history of human life. some would say that this activity indicates:

It is not uncommon for people in their golden years to look back at their lives and examine their roles in the overall history of human life. This activity indicates that Supat is contemplating his mortality and that he wishes to reflect upon his role in the world since his birth. He will probably survey his accomplishments and question the moments in his life when he did not move forward boldly.