45. “Bonk,” Mary Roach

I found the first couple chapters sort of dry and self-conscious, like Roach was uncomfortable. By the time she started getting involved in the experiments she documents, she was decidedly less so.

This was interesting, and I learned some cool stuff (see below), but I wish a few things:
-That she had better citations. There are a lot of facts flying around and I would like to be able to quote them without fear
-That, instead of the “quirky” pictures that start each chapter she had pictures illustrating some of the stuff she was talking about. Some of it was hard to follow. The picture of the rat wearing polyester trousers was priceless, though– possibly because it actually had to do with an experiment she addressed
-That this book were called “Boink,” not “Bonk.” “Boink” is the term I have always heard for “have sex with.” Is it a regional thing?

I’m going to be Twittering (I can barely bring myself to use Twitter, let alone the verb “tweet.” I have only just started saying “Google” for “run a search”) some of the weird things I learned for vaginapagina. You can check the Twitter here: http://twitter.com/vaginapagina Since you read my blog, you don’t have to go over there, and you get some bonus facts that I deemed too hetero-/PIV-/baby-making-/penis-oriented for the VP deluge.

My favorite anecdote is that a Michigan woman holds a patent on “Decorative Penile Wraps” to “heighten sexual arousal prior to intercourse.” Designs include a ghost, Grim Reaper, and snowman.

Pigs and humans are the only heterosexual couplings that include breast manipulation as part of sexual contact.

Fallopian tubes dialate on only the side that has produced an egg, directing semen toward the egg, rather than the opposite ovary.

Semen contains a mild spermicide, believed to be intended to guard against another man’s semen making it to the egg.

One research study supports the idea that the flare of the glans of a penis is intended to scrape out any one else’s semen that might be in a person’s vag.

The fire department of San Fran has a code to refer to incidences of a cock ring getting stuck (“C-Ring”). They also have a modified saw to cut them free and undergo training on proper technique.

The collegen fibers in a penis are as stiff, by weight, as steel! I have no idea what that means, but it sounds impressive.

Only one tenth of the clitoris is visible to the naked eye.

Both females and males have an average of 3-5 erections a night (yes, clitorises can get erect.)

It takes one to two pounds of force to push an average-sized penis, finger, or dildo into a lubricated vagina. This is about the same amount of force as it takes to open a screen door.

In a study of cis women in long-distance relationships, the amount of testosterone in their system jumped when they were having sex, compared to when they had no sexual contact. Testosterone is closely linked to sex drive in all sexes.

People with spinal cord injuries may form non-genital “hypersensitive areas,” which can be stimulated to trigger orgasm. These are usually located above the break in the spine.

Heterosexual women who cheat on their partners are most likely to do so when ovulating.

Page count: 306
Page total: 20,408

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  1. Vikky
    October 1, 2009 at 4:15 pm

    I learned in a Dan Savage book I read recently that men ejaculate more if they have abstained from sex with their partner for awhile for whatever reason, because the body wants to flush out another man’s sperm.

    Awesome!

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