Romantic Friendships and Their Unique Dynamics:

there is nothing essential or inevitable about the ways we conceive of romantic relationships

Romantic friendships take some of the elements of a traditional romantic relationship – the desire for intimacy, the commitment to build one’s life around another person, and even sex – without having to take all of them at once

Probably, not enough is written about friendship. But love is about friendship first. See also Socrates (Plato) on friendship.