sex should not be treated as a taboo. Sexual feeling is a natural tendency. The more it is hidden, the more it gets manifested in some other form, sometimes the consequences are antisocial. For instance, rape can be said as an outcome of an oppressed mind with unbound sexual desires. Other grave psychological consequences do exist.
We, as a society, were more open and liberal in the past regarding sex. We have temples and religious idols depicting sexual acts or different sexual positions.
Sexual openness doesn't mean the right to perform sex in public. Mere display of affection should not be scrutinized.
Nepali society behaves as if human is an asexual being. It's hard growing up as a kid with it's a acute conservative social dogma for a girl and a guy even to hold hands.
I think people should take it easy when it comes to sex. If you hide it or deny it, it's like blocking a flowing stream. More and more pressure gets developed and eventually there is a big explosion with grave danger to the very foundation.
It has been said that an average person in her/his youth thinks about sex about eighty percent of the time. It has also been said that humans' use their mind only ten percent of what is their full potential. So just imagine who much freedom do we get, how much mental resources can we channel to other more productive actions, if we let go of all the hindrances and the obstacles that we and our society put on us. Is it some kinda conspiracy so that we do not advance to the extreme? that we only wail in constant circle, where we live in our meager existence? well it's open for discussion.
The bottom line is that we should not treat sex as some form of plague. We embrace it, free our mind, and live a healthy and more productive life.
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Peace