The years he’d spent watching his parents host and attend party after party in his youth crash over his memory before he barricades them behind reinforced Occlumency barriers. And as he guides Astoria toward another well-wisher, he catches a glimpse of Hermione tossing her head back, her full throat exposed as her dulcet chuckle lilts through the air, ensnaring his cock like a lasso and demanding its attention.