Cabanis and Fauriel - a 19th Century Bromance

Pierre-Jean-George Cabanis, Sophie de Grouchy's long time friend, the C*** of her Letters on Sympathy, and husband of her sister Charlotte, and Claude Fauriel, Sophie's lover from 1801 till her death in 1824, developed a close friendship from the time Fauriel became part of their circle in 1801 till Cabanis died in 1808. 

Cabanis's text on Stoicism and Physiology, The Letter on First Causeswas written to and for Claude Fauriel. Fauriel intended to write a book about Stoic philosophy (the manuscript was lost before he could finish it). 
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The few personal letters from Cabanis to Fauriel that survive give this sense of a nineteenth century ‘bromance’, with Cabanis writing excitedly to Fauriel that Sophie’s father has reserved the room next to his  own for his upcoming visit, and signing off his letters with tender embraces and assurances of ever lasting love. In one of his letters, he enquires after Fauriel’s project of a Greek History, and promises him the notes made by Garat on a similar topic. Garat was either Sophie's ex, Mailla Garat, or his older brother: in neither case, does it seem like it was an entirely appropriate person to turn to!