Have you ever done something that you thought was an ingenious idea that scared your spouse for life?
During winter, I will most often wear a shirt that has a pocket and I will keep a pen [usually a fountain pen] and a small piece of paper. Sure, I am always around computer equipment and have used a Samsung Note phones with the ability to take notes electronically but I will still write things down on paper. Heck, I will even write out code that I'm working on. During summer, I will wear knit shirts but will miss that pocket. On the way home, I noticed that I had some duct tape in the back and an index card. Solution to the missing pocket!
She now buys me shirts with pockets and wouldn't let me go into public with my new pocket solution. She required vast amounts of what she calls shopping therapy afterwards.