you what you can do and if we're talking about a body in your eyes the first way that you want to avoid is your own applications you are right there is nothing less efficient than starting application clicking things around and filling up forms to know if you're featured the new feature is working or if you broke anything a part of making this a more efficient automated test also give us the give us the confidence to refactor and change code because it's going to catch bugs and bugs are the worst time waste of all first you need