Uh, I've known several engineers (ages 22-30) with very questionable drug/alcohol habits who work incredibly hard (65-90hr weeks being the norm). I don't know i

Uh, I've known several engineers (ages 22-30) with very questionable drug/alcohol habits who work incredibly hard (65-90hr weeks being the norm). I don't know if it's addiction per se as much as the desire to 'go hard' at all times.