If you are after a really heavy type of stone with anti-anxiety properties, wait until all the pistils on your flowers have turned brown. This will ensure that the flowers will have reduced THC content and elevated CBD and CBN levels that will give you the type of effect you are seeking. Once the plant has passed its reproductive peak, as indicated by the brown pistils, more THC is breaking down into CBD and CBN than is being formed from new and this is what causes the heavy, couch locking effect with the anti-anxiety properties being attributed to the elevated levels of CBN and CBD, thereby producing the therapeutic effect you want. Hope this helps,...... Organoman.