Sister Wives' Christine Brown and Janelle Brown still believe their love for former husband Kody Brown and his sole remaining wife Robyn Brown can be multiplied. Or at least not divided. 

While the current season of the TLC juggernaut is documenting the plural family's unraveling, with 18 kids (plus six grandkids and counting) between them, "We still have things that we have to do when we're all family," Janelle explained in an exclusive interview with E! News' Francesca Amiker. "We have to get together for the sake of the kids and we're all friendly."