A physical post-it note on your monitor that you don't take off until you've used it three times. Or some other similar reminder -- perhaps just a list of thin

A physical post-it note on your monitor that you don't take off until you've used it three times. Or some other similar reminder -- perhaps just a list of things you're going to install when you need them, so you don't install them until you have a use. (I have this problem too)