"Stella has embraced him with both arms, fiercely, and full in the view of Blanche. He laughs and clasps her head to him. Over her head he grains through the curtains at Blanche." - He overhears the bad things Blanche has to say about him but he keeps quiet, merely grinning at her, which is a little sinister in my opinion, as if he's planning revenge. (page 55, scene 4)