Christine
Christine walked off the interview set and did not return for 3 days. This gap was cut out during editing, so viewers were not aware that she was gone for a long time.
There are hints that Christine is having trouble adjusting to the changes in family.
Sister Wives - 2010 A Wife Decides was released on: USA: 8 September 2013
Sister Wives - 2010 Third Wife in Labor was released on: USA: 10 October 2010
Sister Wives - 2010 A Fourth Wife to Be - 1.6 was released on: USA: 17 October 2010
Sister Wives - 2010 A Fourth Wife to Be 1-6 was released on: USA: 17 October 2010
Sister Wives - 2010 Courting a Fourth Wife 1-2 was released on: USA: 3 October 2010
Sister Wives - 2010 Wife 3 Hits Sin City 2-5 was released on: USA: 10 April 2011
No. Meri is not planning on leaving the family.
Your brother's wife is your sister-in-law and your wife is your brother's sister-in-law. The two wives are not related to each other and the English language has no special term for one of them to use in naming the other.
No he didn't if you are talking about 1 wife, as he had 4 wives: Aphrodite (his sister), Ariadne, Nyx and Althaea.
Sister Wives - 2010 Sister Wives Separated was released on: USA: 13 May 2012
Sister Wives - 2010 Sister Wives Tell All was released on: USA: 22 September 2013
Meri is the only wife legally married to Kody as she was the first wife he married. The others he is married to in spirit