The larger the group of unrelated people, the greater the odds that that particular group will never, ever be together again. Even if related, a large group is unlikely to be together.

Why? People move away. Get into disagreements, and stay away. They have children or marry, bringing new people into the dynamic. They die.

Heraclitus (535 BC – 475 BC) is the earliest person we know to think about this. Plato quoted him on it: “All entities move, and nothing remains still.”

Cherish your moments, cherish your times. You are not guaranteed more.