To those who care about punctuation, a sentence such as "Thank God its Friday" (without the apostrophe) rouses feelings not only of despair but of violence. The confusion of the possessive "its" (no apostrophe) with the contractive "it's" (with apostrophe) is an unequivocal signal of illiteracy and sets off a Pavlovian "kill" response in the average stickler.

As with email, the recipient of a texted question seems to have the option to ignore it, while nevertheless saying hello, lovely day, and so on.

The problem is that it has become politically awkward to draw attention to absolutes of bad and good. In place of manners, we now have doctrines of political correctness, against which one offends at one's peril: by means of a considerable circular logic, such offences mark you as reactionary and therefore a bad person. Therefore if you say people are bad, you are bad.

The way people behave towards each other is a measure of their value as human beings.

In my worst moments, I think the biggest effect of 'Eats, Shoots & Leaves' was to kill the happiness of people who had previously skipped through life, unaware of all the atrocities lurking in the world around them.

Sticklers never read a book without a pencil at hand, to correct the typographical errors. In short, we are unattractive know-all obsessives who get things out of proportion and are in continual peril of being disowned by our exasperated families.

You should read Wodehouse when you're well and when you're poorly;when you're travelling, and when you're not;when you're feeling clever, and when you're feeling utterly dim. Wodehouse always lifts your spirits,no matter how high they happen to be already.