Writing this down so I don't forget

When I am critical of other people, my criticism is almost always something that I am trying to tell myself (but I'm not getting the message). Today's example is,

Why are you frittering time away, instead of spending it on projects that are important to you?

I was saying this to someone (in my head) and then realized: whoops. I've had this insight before and forgotten it, so this time I'm writing it down.