All of them.... each one is special to me, I use all of them rarely (except MJ) also depends on the variety of my stash, the more I have available the longer I go with out using the same substance.
I have a compulsive and weak personality which meens that if i like something i do it alot. So over the years after extacy and cocaine abuse i managed to turn my compulsiveness over to weed and i have never looked back