How to Keep Your Kongan in Your Awareness

The way that he taught for keeping that kongan in your awareness so that you weren't lost in thought all day long. So the kongan is not like a mantra, you just say it over and over, what am I? He would give an example of a Korean widow who was devoted to her only son but when he joins the army she's thinking about him every day until he comes back. And that's your kongan, to just keep it with you the way you would keep a loved one who's away and you're hoping they'll get to come back.