picture Koreans leave locks at Seoul Tower to commemorate their undying love for their partners and family members

In the picture Koreans leave locks at Seoul Tower to commemorate their undying love for their partners and family members.

How does the concept of love vary by society?  Do all societies require love for marriage?  What are some of the pros and cons of valuing love so highly in our society, as a prerequisite for marriage?

300 words 

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