But the dictates are famous: never approach a man, let him come to you; never suggest a date; don't be the one to initiate or perpetuate conversation or contact; and never, ever agree to a date that is less than 24 hours away."It's more complicated and confusing now," says Fein, "and women need a new book to navigate the unchartered dating territory."That territory includes texting, email, instant messaging, online dating, Facebook and Twitter.Before these, there was just the telephone, which you invariably watched until it rang. Well, I did, but I already told you I wasn't a Rules girl.Fillable form fields in the PDF allows you to complete forms by typing information into the form fields.
(One of these is "my internet is acting funny", which one male acquaintance suggested was about as seductive as Google chatting with his mum).
The New Rules: The dating dos and don'ts for the digital generation, (£9.99, Piatkus) published this month, offers their signature sagacious take on the grey area where sex and cyberspace intersect.
And it's an important subject to address, given the de-mystification of internet dating and the rise of outlandish digital phenomena such as "sexting".
I'm regularly grateful to have been one of the last generations of teenagers who didn't have to worry about social media when it came to college crushes, but even I remember days spent staring at a mobile phone that refused to beep.
I have never been a "Rules girl" (that's right, they're a tribe – Blake Lively and Beyoncé are both rumoured to have tried them, on Leonardo Di Caprio and Jay Z respectively).
Any communication you make independently of that is an initiation of contact that would never have happened were it left up to him.