What you notice repeatedly becomes the world you believe you live in.

Repetition of attention builds a picture of the world, and that picture then feels like simple observation rather than a selection. If you notice rudeness constantly, you live somewhere rude. Notice kindness and the same streets look different. Both readings are supported by real evidence.

For a week, deliberately note one good thing each day, specifically. Not as a mood exercise but as a correction to the sampling. The world you experience follows what you keep looking at.