By rule of thumb he did not mean that 8 hours is a debatable rule. What he meant was that although it states 8 hours based on your body and metabolism you might very well need 12 hours in order to be at the same place that someone might only need 8 hours for. I think having an hour number stated in the regs. is what gets people into trouble. Let's all be realistic. I've gone out and gotten pretty good and sloppy, and even after 12 hours of sleep i will wake up and still feel drunk. I would bet that at least once if i was asked to submit to a test that even after 14 hours i still might not be legal to fly.

8 hours is not gonna solve the problem, all depends on how much you had to drink the night before. We should all get a personal BAC tester, and if theres any doubt then check yourself before you leave the house.