I never knew how much of a kill joy Michigan was.
MICH. COMP. LAWS SERV. § 551.3 (2013). INCAPACITY; PERSONS MAN PROHIBITED FROM MARRYING
A man shall not marry his mother, sister, grandmother, daughter, granddaughter, stepmother, grandfather's wife, son's wife, grandson's wife, wife's mother, wife's grandmother, wife's daughter, wife's granddaughter, brother's daughter, sister's daughter, father's sister, mother's sister, or cousin of the first degree, or another man.