How to make productive use of your time: get something out of what you read other than enjoyment. For example, I begun keeping a summary on substantive link so

How to make productive use of your time: get something out of what you read other than enjoyment. For example, I begun keeping a summary on substantive link so that I build up a list of citations and information that I can use to write essays. I want to make it a habit that I will do this once a day, but it's not the time for adding yet another habit to my list of ever growing habits. (I add a new habit about every 21 days)