I've never had any desire to drink alcohol. I think part of it stems from not liking carbonated (fizzy) drinks - even today I cannot drink them. Also, I don't like the idea of drinking something that will mess with my head - hearing horror stories about passing out, forgetting things, hangovers, DUIs, etc. - it's just not worth it.
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"Tongue tied and twisted, just an earth-bound misfit, I" - Pink Floyd
(and then the tower cleared me for take off)