Make way for Winged Eros would be the relevant text. A genuinely historical analysis of love even if she had some dated takes on sex and sex work. Kristen Ghodsee also did a reading on her podcast where she explains it a little more in depth.

Under the bourgeois system such a division of the inner emotional world involves inevitable suffering. For thousands of years human culture, which is based on the institution of property, has been teaching people that love is linked with the principles of property. Bourgeois ideology has insisted that love, mutual love, gives the right to the absolute and indivisible possession of the beloved person Such exclusiveness was the natural consequence of the established form of pair marriage and of the ideal of “all-embracing love” between husband and wife. But can such an ideal correspond to the interests of the working class? Surely it is important and desirable from the proletariat’s point of view that people’s emotions should develop a wider and richer range? And surely the complexity of the human psyche and the many-sidedness of emotional experience should assist in the growth of the emotional and intellectual bonds between people which make the collective stronger? The more numerous these inner threads drawing people together, the firmer the sense of solidarity and the simpler the realization of the working-class ideal of comradeship and unity.