My personal experiment in 2013 exactly matches your comment. I spent less when I used cash. I withdraw the same amount if monwy every month once a month, but th

My personal experiment in 2013 exactly matches your comment. I spent less when I used cash. I withdraw the same amount if monwy every month once a month, but the action of giving that money to cashier & checking the change and sorting out the notes in wallet made it real impact.