Topping helps control height, helps creates more and bigger bud. Along with LST and good defol technique you can create awesome plants. And yes they all love it. Also a good soil/perlite mix,fiber pots,quality nutrients,proper Ph. and some badass light doesn't hurt either. GWE.com lists over 500 Articles & Growing Tutorials. Lots of AHA moments in the reading. Feel free to ask questions.