Having sex or the form of it does not necessarily presupposes that reproduction must occur, or in fact, a permanent bonding of souls and bodies, not to speak of emotions.
The prostitute and the pimp looks at the commercial aspect, the nymphomania craves for it like heaven and gives it for free, the frigid thinks it hell, the gay cares only about expressing an inclination, while the adventurous does it for fun and keep their tallies.
In effect, life doesn't need sex to reproduce, or the perpetuation of mankind, but is also a form of recreation just as any other exercise man engages in for healthy living, to say nothing of the spontaneous excitation that comes with it.
Bacteria, other plants, fungi, and even some vertebrates testify to this. If you still doubt it, perhaps a clone of oneself may suffice?
Yet many species, including our own, cannot do without these privileged relationships which often come at the cost of considerable effort. Why do we go to so much trouble?
In 1871, Charles Darwin invented the concept of sexual selection, which was inspired by the one he had developed 12 years earlier with natural selection.
When it comes sex, man is not driven by the desire for reproduction alone, males and females engage in games of seduction, sometimes graceful, sometimes violent, sometimes impressive, so as to arouse the interest of the other.
Everyone tries to find his or her partner, and those who are lucky enough to succeed have a right to a taste of sex. This may be a taste of brief encounters for the randy, or a taste ensconced in marital bliss for a lifetime.
Whichever one that occurs, still falls within the premise of that one item that pervades all living creatures, "the taste of sex".
it Is flowed by emotion.