hey guy im new myself but however i have 5 books all by greg green and jorge cervantes....oh and a dvd set...im practicing with bagseed my beans from attitude just arrived so i was running a trial run.......just to practic topping and different methods...anywho enough about me......LEAVE THE LEAVES!!!! ive read about trimming fan leaves in early flowering and veg stages.....all i know is i wish i didnt do it......the plants i didnt pull leaves off of and didnt fuck with are producing so much more then the plants that i took fan leaves off of....only pull leaves off LATE flowering not even mid flower,,,,,fan leaves are the food producers...my new rule of thumb (taken by jorge cervantes).........give ur leaf a little tug....if it doesnt come off easily LEAVE IT! i wish i wouldve listened,,,,,but thats why i practiced with bagseed before i used my real beans....even if its a little yellow it still produces food....id show ya picks but its night time and frankly a lil to paranoid todo so....good luck,,,,,,p.s. the leaves ive had turn yellow are still remaining.....just the tips are for about 3 weeks now....the rest of the leaf is green and is still produces food for the bud site.....the oposite bud site is 25% the size(i removed the yellow tipped fan leaf on the small site n left the leaf with the good bud site......the bigger bud site must be bigger because i left the fan leaf...its yellow but still makes food....so for now on fan leaves stay on...unless they come off with a GENTILE tug