(pen) Shurely if you can say "piss" you can say "arse"? I know I can, and in style. I think the plural of "whim" is boring old "whims" and of "sheep", "sheeps". Just ask a Frenchman.
(pen) I have a friend (whom I have seen recently) of 57 years' acquaintance. Is this a greater proportion of my life than 30 years is of yours? Come on, have to hurry you.