I will be receiving 4 12in pieces of San pedro about 3in thick, and will be sharing with 1 more person. I have not tried cactus before but used to be very experienced with other psychedelics, though now it's been over 10 yrs since my last trip. I am wanting a nice strong experience and wondering if this amount will get me there. I have been researching for a long time and understand there are many factors that effect potency etc. and no one can say for sure. But I would just like some advice and opinions on wether you think this would be enough for you and a friend or if I should acquire more and how much more? Also wanting to know what you think as far as prep for a tea wether it is better to boil or not boil? I am thinking I will use the freeze method maybe boil down later or not, still unsure about that part. I will have about a week to prepare so time is not an issue, just looking for the best method for a beginner of cactus.