"I think it was P.J. O'Rourke who said that he was a lefty in the '60's because that was where all of the really hot women were back then."
That must have been the very early 1960s, probably around 1957. Unless when he said "hot" he meant "loose".
"Unless when he said "hot" he meant "loose"."
I suspect he meant "don't wear a bra".