I'm a reasonably intelligent chap and an experienced drinker, who knows very well

[Sir C]

what his optimum dose is.

Given which, why on earth after all these years when I find myself not wanting to go to bed, but with an empty glass, do I still fall for the old 'Oh, another glass or two can't really hurt, can it?' thing?

First the man takes the drink
Then the drink takes the drink
Then the drink takes the man