Another big move was made to pave the way for Kody Brown to legally adopt Robyn's children from her previous marriage on Sister Wives, but the wife who divorced Kody to make the first step of the process easier may be showing she's not as happy about the situation as she claims to be.

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The news that Robyn's ex, Preston, signed away his rights as a father so that Kody and Robyn could continue working on a legal adoption to make Dayton, Aurora and Breanna legal Brown children is news that is supposed to make the family happy-but Meri has been notable silent on social media about what should be a happy occasion.

Christine, Janelle and Kody all live-tweeted the Oct. 4 episode, which saw the next step in the process go through-but Meri, who initiated things by giving Kody a legal divorce, which allowed him to legally marry Robyn, has not participated in the obvious and visible excitement-meaning that she could truly be still heartbroken over what has happened in her marriage in the last year.

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Though she may be dealing with things in a way that shows she's unhappy however, her fellow sister wives do seem to be somewhat more excited about the prospect of Robyn's kids being official members of the family at last.

Christine not only took to Twitter to show how grateful she was that Robyn's ex signed the papers, but to praise the pair's two daughters as well:

Janelle meanwhile expressed simple excitement that the family had successfully gone through another step:

Kody also took to Twitter to share his happiness that another step in the adoption process had been checked off:

Robyn also did not sign on for live-tweeting either however, meaning there could have been other reasons keeping Meri off of Twitter for the night.

Sister Wives airs Sundays at 9 p.m. on TLC.

Tags: Sister Wives TLC Reality TV