well its like this if the leaves are yellow the you should cut are pick your leaveas off if you need to open some space some peps cut the fan leaves in half so other bud sites can get some light. but you have to rember that weed is a weed it will do good with out your messing with it. plus it stores extra sugar in those leaves so if you dont have to dion't mess with the leaves. if your lady feels like she does not need them any more then she will drop them her self. i hope that this has helped you fam welcome home