Jules Evans advocates the tracking of personal habits:
At the end of each day some ancient philosophers would keep track of what happened during the day – what they did well and what they did badly. The idea is that if you want to change yourself and get rid of bad habits, first you have to track yourself. Humans are such forgetful and unconscious creatures, we don’t always realise who we are or how we’re behaving. So we need to keep track of ourselves.
Epictetus, for example, said if you have a bad temper count the days on which you don’t lose your temper, and if you manage to do it for 30 days then you can consider yourself to be making progress…If you have depression or anxiety and go and see a cognitive therapist, they will suggest that you keep a journal and keep track of your thoughts and habits, to bring more self-awareness into it and also so you can see the progress that you are making. You might have a day that you feel really down but you can look back and see that actually you have made a lot of progress from, say, three months ago. So that is one practical exercise which the ancients used that is really useful today.
