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Kevin Patterson and Antoinette Patterson, who are married and in a polyamorous relationship, embrace in their home in Chester, Pa. on Monday evening, Dec. 4, 2017. (Kait Moore/Philadelphia Inquirer/TNS)

Kevin Patterson and Antoinette Patterson, who are married and in a polyamorous relationship, embrace in their home in Chester, Pa. on Monday evening, Dec. 4, 2017. (Kait Moore/Philadelphia Inquirer/TNS)