Have you eve made changes to your sewing pattern, but forgot exactly what you did? *Raises hand*...I often put away a project for weeks, sometimes months and forget whether or not I've added those 2 extra centimeters to the sleeve, or I want to remake a wardrobe staple I made a year ago and can't find the edits I've made. It's annoying because I could get out a measuring tape and figure most things out, but some edits are quite subtle and hard to backtrack...