Years ago, my wife took a job as the lone secretary to a lawyer with a high volume of paperwork, permit applications, etc. The previous secretary, who had retired, didn't like the computer, and just typed everything by hand.

My wife automated all the forms so she could jump from field to field, and get the paperwork done much faster. So fast in fact, that he decided not to hire the second secretary, and just dump it all on my wife. Then he turned out to be an absolute monster in so many ways that my wife just up and quit one day, which was fine with me.

But she had never told him about her automated forms that she created. He just thought her increased productivity was due to using the computer. So she told me that she made those forms to help herself, not him, and dumped all of them before she left, and he never knew.