It helps us understand what's going on in the sexual relationship and treat sexual disorders.
Very often, you find the source of the problem can be traced to the particular motivation," Richard Carroll says.
"Women actually become more like men over time in that often, early on, sex is about initiating, developing, strengthening, and maintaining relationships, but in a long-term relationship they can actually focus on pleasure." Despite these general observations, research also suggests that there has been a big convergence in sexual attitudes among men and women in recent years.
In 1985, Janell Carroll and colleagues found that most college-aged males had casual sex for physical reasons without emotional attachments.
Many foreigners from Europe and the United States, as well as other areas, come to Taiwan to spend their holidays, or one or two years, studying Chinese.
Your partner may come up with a dozen excuses to say "Not tonight, dear, I have a ____," but how many reasons can the two of you name for wanting to have sex? It’s a stark contrast from historical assumptions, which cited only three sexual motive: To make babies, to feel good, or because you're in love.
She repeated many of the same study questions to a new audience in 2006.
Young men and women typically haven't been in very committed relationships and are in the process of discovering their sexuality.
Motivations generally fall into four main categories, according to psychologists at UT-Austin who asked more than 1,500 undergraduate college students about their sexual attitudes and experiences: Generally speaking, men seek sex because they like how it feels.
Women, although they very well may also derive pleasure from the act, are generally more interested in the relationship enhancement that sex offers.
Their answers to "why do you have sex" are often greatly tied to the image of themselves and their social relationships, says Richard Carroll. But such knowledge can improve a couple's sex life.
"Understanding these differences in motivations is very important.