They say it's 5 centimeters per second.
The speed at which cherry blossom petals fall, 5 centimeters per second.
People tend to start together in a tree like the blossoms, and then as life goes on we all float down slowly and spread apart.
By just living one's life, sadness accumulates here and there.
It must really be a lonelier journey than anyone could imagine. Cutting through absolute darkness, encountering nothing but the occasional hydrogen atom. Flying blindly into the abyss, believing therein lie the answers to the mysteries of the universe.
Moving on from past connections instead of just living in the past, finds a way to become happy in the present rather than pining for what has been lost over time.