I was in the Notting Hill Gate Smith's at the time, standing with my back to the front entrance and scratching my scalp -not in puzzlement, but because it itched. Badly shaken by my fell-off-a-lorry slip the other day, I had just put down a book on Cockney slang ('Cheers, Norm, where's the trouble and strife? Up the apples and pears having a pony and trap?'), and was just picking one up on 'Criticism and Linguistics'.