ok sorry if this has been asked alot....did a search and couldnt find anything....so when is it best to top your plant.....i have heard you are supposed to do it every 3rd node....and this will give you a super bushy plant....everytime you top it then it splits into two branches....is this true....do i do it at the third node and do i do it on every branch....will this just fuck up my plant....also when can you first sex a plant....thanks for the info.....