Bruce and Robbo are in the pub, having a drink and discussing the many health benefits of beer.
Bruce says: Look Robbo, this is how it works mate:
A mob of kangaroos can only move as fast as the slowest roo. And when the mob is hunted, it is the slowest and weakest ones at the back that are killed first. This natural selection is good for the mob as a whole, because the average speed and health of the whole mob keeps improving by the elimination of the weakest members.
In exactly the same way, the human brain can only operate as fast as the slowest brain cells. Now, as we all know, intake of alcohol kills your brain cells. But naturally, it attacks your slowest and weakest brain cells first. In this way, regular consumption of beer eliminates the weaker brain cells, making your brain a faster and more efficient machine.
And that, Robbo, is why you always feel much smarter after a coupla beers !

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Маленького крепыша назвали Лаэль