I read this before I started doing chapter summaries, but I got a lot from this book and it is well worth the time.
Our happiness is largely determined by the stories we tell ourselves after the fact, Daniel Kahneman's remembering self. The Stoics offer two suggestions:
Tools to help with suffering are talking to myself, not adding to first impressions, premeditating the loss of things I hold dear, and asking myself, “Do I have a problem right now?”