Good for you! That takes willpower. I'm also curious about your stance on less controversial drugs like coffee and sugar. (Sugar is surprisingly insidious!)

> I enjoy being in full control of my senses

Heh. I suspect you're a lot less in control than you think you are. It took me experiencing mushrooms and LSD to really open my eyes to the ridiculous amount of processing our minds do just outside of our awareness. I'm sure this could be explored without mind altering chemicals too, but few do.