i think the same thing sometimes, wanted to quit my job a few months ago and go back to college to do mechanics ...but then realised i would e put in a class of 16yr's and decided i couldnt handle it so looking into night courses. They do them if they get enough people for a course to run, and cost between 200 - 350 quid depending on what you do and how long it takes. but i always got told if you like something never do it for job because you loose your passion and it just becomes 'what pays the bills' hence why i no work in food! and one day will do the courses just so i can work on my own car properly. Food is good to get into, i had no expericene other then sales and now i dont think i would do anything else really interesting and diferent every day