If the even the skanky one says such, you know it must be true. :P
Possibly due to religious reasons, practicality (disease and pregnancy) and possibly biological induced jealousy (if you follow modern interpretations of Darwin's sexual selection theory), culture has assigned sex between two people as something reserved for marraige. It's definately a good idea from a practical perspective in modern soceity For many reasons. To promote better care for children born from the sexual intercourse, to establish trust, to reduce the chances of catching disease- various good reasons.
Somewhere along the way, love got mixed into sex. Heck, sex is called 'making love' nowadays. But is love really something you see in sex?
What are the qualities of love?
Let's try using the style I'm learning from my lecture using examples and non-examples. :P
"Love is patient, love is kind. It does not envy, it does not boast, it is not proud. It is not rude, it is not self-seeking, it is not easily angered, it keeps no record of wrongs. Love does not delight in evil but rejoices with the truth. It always protects, always trusts, always hopes, always perseveres.
Love never fails. But where there are prophecies, they will cease; where there are tongues, they will be stilled; where there is knowledge, it will pass away."
I lay here this night
and think of our past
the wonderful times we hold
the stones that fate has cast
This romance that we share
Trembles me with fear
That our paths may never cross again
where do we go from here
Wherever chance may take us
remember this true tale
My heart will always beat your name
True love will never fail
- TRUE LOVE WILL NEVER FAIL by Ryan Treleven
"Ritsuko: I'm not happy anymore, not even when you make love to me. Do whatever you want with me, it's never stopped you before.
Ikari: You disappoint me.
Ritsuko: You had no hopes or expectations of me to start with. I was
- Neon Genesis Evangelion (episode 24)
Methinks sex is totally inadequate to encompass the most important features about love. Religious bodies should stress the other critical features about caring for one's chosen life partner. Patience, kindness, hope, care, trust, perseverance. I think these things are more important.