Wednesday, January 14, 2009

Semen has mind control properties

The more a woman has sex with her partner, the more committed she becomes, and the less attracted she is to other men — at least in the short-term. I blogged about this study several weeks ago and offered explanations both hormonal and psychological. But another theory came to my attention today in the form of a study on fruit flies.

For decades, scientists have known that female Drosophila refuse sex for a period of time after contact with seminal fluid. This may give a reproductive edge to the first male with whom a female has sex. A study led by Geoffrey Findlay at the University of Washington has finally shed some light on the phenomenon. It turns out there are proteins in seminal fluid, many of which transfer to the female after sex. Some of these proteins are warrior-like — they fight the sperm of rival males. Other proteins are like hypnotists — entering the female’s circulatory system, they may hormonally dampen her interest in sex with other males. Somewhat disturbingly, the more semen a female is exposed to, the more influence the male has over her reproductive tract and her mating behavior. Semen, it seems, has mind control properties.

So what does this mean for humans? The same study hasn’t been done on men and women, but researchers speculate that many of the same proteins are in the semen of human males. “Does semen make you happier?” is one of the questions posed in BLONDES. In answering it I describe a fascinating study at SUNY Albany that found that, yes, women who are regularly exposed to their partner’s semen are less depressed than women who use condoms most of the time. Hormones and proteins are absorbed through the vagina, enter the bloodstream, and possibly breach the blood-brain barrier. Might these factors in men’s semen manipulate women’s minds (and bodies) in the way that fruit fly spunk affects female fruit flies? Perhaps, but it’s hard to prove. Women’s love lives (and psyches) are a little more complicated than those of Drosophila. After all, a woman in love with the man she has unprotected sex with would be happier and more faithful anyway. It’s a puzzle for all scientists who study human sexuality: Where to draw the line between chemical love and Eros? The seminal and the sacred?

Tuesday, December 25, 2007

How to Use a Penis Pump

Penis pumps are designed to help engorge the penis to give harder erections that can last longer than usual. Penis pumps cannot permanently increase the size of the penis, but are used for temporary sexual pleasure. Penis pumps can be either hand or battery operated.
Difficulty: Moderately Easy


1Step OneRead the manufacturer’s instructions before use.
2Step TwoInsert batteries if needed.
3Step ThreeFit the device over the penis.
4Step FourPump the device as explained in the instructions. Manual pumps often recommend a gentle pump followed by a pause before repeating.
5Step FiveContinue to pump until desired level of hardness or arousal is reached. The higher the vacuum, the higher the blood-pressure wil become in the penis.

How to Use a Mini Vibrator


Mini vibrators may be small but there is nothing tiny in their power. Most mini vibrators can compete with their big brothers and sisters in vibration, battery life and, most importantly, strength of orgasm.


Difficulty: Easy
Things You'll Need
Mini vibrator
Clean damp towel, washcloth or wet wipes
1Step OneClean the vibrator with a wet towel or wet wipe before use.

2Step TwoInsert battery if needed.

3Step ThreeRecline or situate your body in a comfortable position.

4Step FourTurn on the mini vibrator.

5Step FiveHold the vibrator comfortably in your hand and begin caressing your body.

6Step SixWork your way toward the genital area with the mini vibrator.

7Step SevenAllow the vibrator to work its magic, particularly around the clitoris.

8Step EightContinue to massage the genital region until orgasm is achieved.

How to Perform the Split Level Sexual Position

The split level sexual position is very similar to the missionary position with a more open vagina to allow for deeper penetration. Neither partner needs any particular flexibility or agility. Depending on the level of aggression of the partners as well as whether or not the woman locks her feet, this can be a very gentle or forceful position. This position allows for face to face contact as well as frees the woman’s hands for additional stimulation. This can be done on nearly any surface.
Difficulty: Moderately Easy
Perform the Split Level Position—Woman
1Step OneRemove panties and any clothing covering your vagina or anus.
2Step TwoLay on your back with legs slightly apart.
3Step ThreePrepare yourself as your partner lays his body on top of you and penetrates your vagina or anus.
4Step FourSimultaneously, bend your legs and wrap them around your partner’s waist.
5Step FiveInterlock your feet at the small of your partner’s back to brace yourself for more forceful thrusting.
6Step SixKiss your partner or nuzzle his shoulder. You can also use your free hands to stimulate yourself or your partner.
Perform the Split Level Sex Position—Man
1Step OneRemove underwear.
2Step TwoLay on top of your partner, facing her.
3Step ThreeInsert the penis into your partner’s vagina or anus.
4Step FourAs your partner wraps her legs around your waist or back, adjust the angle at which you enter her.
5Step FiveKiss and nuzzle your partner on her mouth, ears, neck and breasts.