From page one, however, its clear that the title is no misnomer.

Which is to say: very vocal.

Below are the six most fascinating (and disturbing) plot points of her memoir.

Open Book

HarperCollins

What I didnt know then is that everyones first time is awkward, writes Simpson.

And that is part of it.

And that its okay, but at the time, its tough to understand.

Nick Lachey and Jessica Simpson

Gregg DeGuire/WireImage

When Lachey and Simpson first became a couple, she played the adoring fan to his industry mentor role.

Jessica had an emotional affair with Johnny Knoxville

Yes, the guy fromJackass.Sometimes lust is nonsensical.

And then I did, she writes.

John Mayer and Jessica Simpson

Matt Baron/BEI/Shutterstock

Give or take a billion.

And that, ladies and gentlemen, is what you call a zinger.

She is as open about the latter as she is coy about the Nick Lachey divorce settlement figures.

Jessica Simpson and Eric Johnson

Kevin Mazur/WireImage