The phenomenon of becoming "one flesh" is eros. It is an exclusive relationship.Eros has no mention in scripture.
Eros is just a degree of intimacy meant to be exclusive to one person (until death).Eros is self centred.
"One flesh" in both of the previous verses is a Hebrew concept. It wouldn't be stated in Greek terms.No mention of Eros in your scriptures.
What is the difference between love & sex-?
while I was a teenager, the term “sex” was not a term spoken among my circles. I grew up believing intercourse was for the procreation of children. I still believe this, only--------
At the same time, I had a few girlfriends. We held hands, kissed each other from time to time and continued a great relationship; but I never considered this “sex”.
I eventually married and now I am a grandfather several time over.
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Context matters a lot for the subject.one can show love to others without sex