okay there are people saying that his mistress was a girl named patricia well actually the story says "Enjolras claims that his mother is the republic and his mistress is Patria (motherland)" that mean his homeland so it means he's devoted to his country and the republic and others thought Grantaire liked him where the story says that Grantaire Admired Enjolras nd he looked up to him cause he was a good leader and When the army eventually arrived, Grantaire requested to be executed alongside Enjolras