Reading someone else's un-annotated code and trying to work out not only what is going on but why they did what they did is fun and exhausting, especially when you start from a point of almost no understanding.
@samweinberg Off. That's a lot of time to have to play with. Well done.
// @matigo
On a bit of a roll, here's my Annual review for 2018 [jeremycherfas.net].
And now, time to step away from the machine.
@matigo Just yesterday I listened to a recent Planet Money about how insurance companies ask companies to train their staff and then test the staff. Maybe your bosses heard part of the show.