Pen (fountain pen) and paper. I schedule 30 minutes at the end of the week to write down what has happeded, what went well or better than expected, what to im

Pen (fountain pen) and paper. I schedule 30 minutes at the end of the week to write down what has happeded, what went well or better than expected, what to improve, and what to do next. These are the most productive 30 minutes of the week, btw.