Ah, the age old question of nature vs. nurture for any human trait. Most people think that like any trait human sexuality is a complex combination of genetic environmental and social influences.
Human sexuality is important because without it how do we multiply, but I know that it as dangerous for teenager because some teenager stopped their study just because of being fregnant.
That really depends on you. What do you look in sex. Some choose sex as a pass time or to enjoy themself as a game or stress relief. Other choose the spiritual side or find true connection with there...