Don't look back (2nd attempt)

Why the past feels so good, but maybe wasn't. Also, 7 other things worth knowing today.

Earlier today I sent a version of this newsletter that seems to have only gone to a small number of subscribers. Technical error on my part, I think. Here’s a second version. Sorry if you get this twice. If you are a paid subscriber, and you haven’t also received a message letting you know how you can download the book I’m talking about below, please le…