[Rte66]

There is a parabolic curve to any addiction cycle, including alcoholism. To the alcoholic, the longer the term of the drinking, after the tolerance level is highest, then less and less is needed for impairment.

To put it in the simplest form - drinking is fun, then it's fun with problems, then it's just problems.

He is closer to end-stage alcoholism than beginnings.

[tpaine]

For many people (and certainly "experienced" drinkers), 0.12 BAC isn't much, and is maybe a little tipsy. Most people reading this have probably driven at this level (and probably consider it to have been a bad idea, mind you.)
Beelzebubba

True words, bubba. Most of us have been there & done that.

Rte66:
There is a parabolic curve to any addiction cycle, including alcoholism.
To the alcoholic, the longer the term of the drinking, after the tolerance level is highest, then less and less is needed for impairment. To put it in the simplest form - drinking is fun, then it's fun with problems, then it's just problems.
He is closer to end-stage alcoholism than beginnings.

Can you back up your "end-stage" info about Gibson? -- Or is it as speculative as your opinions on the "addiction cycle"?