Please don't sterotype all potheads. I am sure that you have taken lots of good advise from many potheads around the boards. Potheads are not all idiots.
In High School I used to get stoned right out of my gourd before our football team worked out - I remember how laxy I felt when I was sitting on that incline bench "I'm just gonna do six - tell me if coach is coming..." Gave up all weed and alcohol six years ago and now people are guessing my age at 27 (I'm 33).