Maybe PMs are only ever to people who would understand if the message doesn't sound quite right; but in public you're a "public figure" and so want to be careful?
Usually when I write "neat" or "clever" code, I find myself staring at it 10 minutes later wondering how it works. Today I wrote something both neat and clever which I still understand :-)
I call that a win.
my favourite thing about rr is reverse-continue combined with watch.
Want to know how a variable became corrupt? Watch it and back up until it happened. Amazing boost to debug productivity.