“In three words I can sum up everything I’ve learned about life: it goes on.”

—Robert Frost

These ups and downs, never ending cycles of pain and misery, and nostalgia and happiness and memories and laughter, and thoughts.

At any moment, we exist not only in person but in other people’s thoughts. Our own thoughts exist in the future or past, while our physical body only in the present.

How many yous exist at any given moment?