Our perception of time

When you are pleased, you gain energy. When you are miserable and in pain, you lose energy. From Einstein’s equation E=mc2, we gather that time is inversely related to energy, assuming everything else is stationary.

So, an increase in energy when you are happy and pleased leads to less time available, and hence time goes fast. Similarly, when you are in misery and are struggling to do something, time goes slow because there’s more of it available.

But what’s the constant? Where do mass and distance, and light come into the picture? What if they are not constant? I’ll never know.