However, the practice is really meant to highlight this natural trajectory of the mind, and in doing so, it trains your attention systems to become more aware of the mental landscape at any given moment, and more adept at navigating it. With repeated practice, it doesn’t take so long to notice that you’ve slipped into some kind of rumination or daydream. It also becomes easier to drop your current train of thought and return your focus to the breath. Those who practice say that thoughts start to seem less “sticky”—they don’t have such a hold on you..
Via Howard Rheingold