“Dear Diary: You won’t believe what happened to me today. I got called on in math class and I had no idea what the answer was. I hate math. Ugh. When will I ever use it, anyway?”
Keeping a diary about teenage angst — and the weather — may be the stereotypical view of journaling, but there is so, so much more. In fact, journaling has been called by some the “ultimate keystone habit.”
Charles Duhigg, in his excellent book “The Power of Habit,” describes keystone habits as those “small changes or habits that people introduce into their routines that unintentionally carry over into other aspects of their lives.