Books and Articles by Pierre A. Lehu

An anonymous writer put it this way: "Friends in your life are like pillars on your porch. Sometimes they hold you up and sometimes they lean on you. Sometimes it's just enough to know they're standing by." ©Seventyfour / Adobe StockWriter Elisabeth Foley points out that friendship doubles your joy and divides your grief, and that the most beautiful discovery that true friends make is that they can grow separately without growing apart.

If a couple tries to conceive but can’t seem to do it, one of the first things that doctors look for is a problem with the man’s sperm. Sperm compose about 5 to 10 percent of semen, and are the only part of the semen that can cause pregnancy. If a man is infertile, there is a problem with his sperm — often a low sperm count or low motility.

Many people have an idea what their measurements are, but rather than assume you know, it's best to get an accurate measurement. Going to a tailor will give you more accurate measurements, but you can certainly get a close approximation handling the measuring tape yourself.The measurements you definitely need are your chest, waist, hips, and inseam.

Condoms, when used correctly, are the number-one method to prevent transmission of sexually transmitted diseases (STDs). However, if used incorrectly, a condom is no use as a birth control method or as protection against STDs. If you want to have a healthy sex life, you must know how to put on a condom the right way.

Is masturbation normal at a young age? Most parents don’t expect to find their toddler son with an erection, or their kindergartner girl rubbing her genitals. So when does a kid normally start to masturbate? And when is masturbation safe? Masturbation in childhood Rest assured that masturbation is a healthy part of growing up.

The trickiest part of using a condom can be in removing it. If the condom leaks (a common result of improper removal), the sperm can then make their way into the vagina—and then you may be dealing with an unintended pregnancy or an unwanted sexually transmitted disease (STD). For truly safe sex, and therefore a healthy sex life, you must know how to remove a condom the right way.

For many parents and teens, the idea of talking about masturbation sounds like an exercise in horrendous discomfort and awkward silences. Many adults believe there’s nothing to be gained from it, either; they may think that masturbation is pretty self-explanatory. But, in fact, many kids have questions about masturbation.

Knowing how a penis functions can provide useful insight into sex and the human body — whether you want to understand the penis and male anatomy better or learning about it for the first time. Basically, a penis is composed of three structures, which are made of a spongelike material that can fill with blood: The two corpus cavernosa contain the central arteries and lie on the top half of the penis.