He was willing to completely erase her from his life by burning her things just so he did not have to remember he slept with a woman of African ancestry. In the end though, it was Armand that had the African ancestry and he realized that he let the supposed love his life kill herself and his biological child. He essentially became what he hated the most and in a sense was being punished for his treatment of his wife. True love is not something that goes away; it’s an all-consuming feeling that doesn’t see color, gender, or heritage. It became easy for Armand to begin hating Desiree for something she had no control over and since the hate was so easy, it is safe to assume that he never had feelings for her to begin with but married her due to her being and intriguing young beautiful woman. Love is blind, but sometimes you cannot help how you grow up or the time period you grow up