'Historically in the west reproductive role has been one of the most basic purposes of marriage, more so than romantic love by a fair way'.
That's not correct though surely?
It was to hand a piece of property from one male (father) to another male (husband).
Around the world plenty of places women are still seen, treated and considered as property. Whether legally, or by social convention, or a mix.
Laws here pointed to this, albeit tangentially, until v recently.
Eg
Legal to rape wife (illegal early 90s)
Women not able to get credit in their own right (70s I think that changed).
Married Women's Property Act 1882
'English common law defined the role of the wife as a feme covert, emphasising her subordination to her husband, and putting her under the "protection and influence of her husband, her baron, or lord".[4] Upon marriage, the husband and wife became one person under the law, as the property of the wife was surrendered to her husband, and her status as a separate legal personality, with the ability to own property, and sue and be sued solely in her own name, ceased to exist. Any personal property acquired by the wife during the marriage, unless specified that it was for her own separate use, went automatically to her husband'