In-depth interviews with participants in non-traditional families are used to argue that same-sex marriage cannot be understood as simply entrenching or contesting heterosexual privilege. Instead, Katrina Kimport contends that these new legally sanctioned relationships can both reinforce as well as disrupt the association of marriage and heterosexuality. She provides a nuanced, accessible, and theoretically grounded framework for understanding the powerful effect of heterosexual expectations on both sexual and social categories.