Why deserts have blooming and growing things, while the defenition of the desert is a place where nothing grows?

Lin is sick Why do you have a savage

The fact that certain psychological effects appear to shrink over time is called the decline effect.
When something diminishes in power, or shrinks over time (like certain psychological effects in this case), it refers to the decline effect - it means that these is less of something, or it becomes weaker in power.