Originally Posted by GogglesPisano

We learn from experience.

True story: Many moons ago as an ER FO I was relief pilot flying with a rushy CA in ARN. Apparently he didn't like the speed at which I was reading the WDR so he snapped it out of my hand, read it to the other FO, and then said: "FLAP 5, call for taxi." The FO called for taxi, the engines spooled, and then we heard: "Wait, we are still connected down here!"

You can't buy lessons (or kharma) like that.