Sentence:  There are two ways to get rid of our <WSD>nags</WSD>. We can either use Ninja decision-making to turn them quickly into actions, stored in our second brain to be revisited when we have some time. Or we can simply just capture and collect the <WSD>nag</WSD>, knowing that our systems will ensure we return to it later. 
Meaning of the word marked with <WSD> tags:  A persistent, bothersome thought or worry