I learned how to tie my shoes the right way when I was 55. Mom didn't learn how to open a banana without a knife until she was 82. So many things that folks think they are doing correctly, are just wrong... or at least not the best/easiest/most efficient way. I see shooters daily who have owned rifles and pistols for years without knowing how to lock the action open without inserting an empty magazine. For the longest time I couldn't understand how they could not know this. That is, until I learned that I had been tying my own shoes wrong for 50 years. tying shoes the right way - Google Search Most recently I learned that a Chinese food carton could be opened up into a plate. I'm sure there are more of these revelations that I've missed. I will try to attach pictures and video to explain them. Anybody else have things like this that have become your favorite "aha moment?"