‘Sister Wives:’ Kody & Robyn Discuss Giving Up Plural Marriage?

Are Robyn and Kody giving up plural marriage? In this week’s episode of “Sister Wives” the two discuss the future of their relationship. Meanwhile, Meri and Janelle meet up to work up a game plan for Coyote Pass. And Christine is spending her first monogamous Valentine’s Day with David. “Sister Wives” airs Sundays at 10pm ET/PT on TLC.