1 N should be fine with your current weight, BUT you are taking adderall and fluoxetine(also known by trade names Prozac and Sarafem), and also you smoke weed. And, you drink from time to time as well. Those things will limit the effect of N, and your chance of CTB will fail most likely. You will need to stop taking those drugs, stop drinking/doing weed, and clear your system before you attempt anything. Most people between 60-80kg order 2 N. Just to be on the safe side of things I would order 2N. You will also need an anti-emetic, otherwise you will puke.