If the couple is truly in love and are planning to marry then before marriage love classes that they have would surely produce masters degree for them throught their entire life., bcos they know each other very well, and they can make their married life moreso happy , but if ego comes in between and domination takes place after marriage then the happiness gets corrupted leading to fights and small breakups ., so its better in both of their interests to learn and maintain the love that they have forever.
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There is nothing like love marriage in our society. In true sense marriage is an institution where to families come together and permit two individuals to pair up for perpetuation of the family tree. On the other hand Love marriage as per the western culture, is coming closure of a male and female oprimarily due to physical attraction (and sometimes due to financial strength) leading to indulgence in physical relations