If while brushing your teeth in the morning you hope the evening will be great, it's probably an illusion.

Because in the evening you'll think about something else in the 'future'. With pleasure or fear, because they are two sides of the same coin.

Whatever is happening can only feel psychologically bad when thought makes a comparison and doesn't want this, desires something else.

But isn't it unintelligent to try to oppose what already happened?

Unitary Perception is the narrow door to get out of the vicious thought process is which most of people are trapped. It is the only door out.