Monica's happiness doesn't supersede a mother's right to her children.
Preach!! I don't understand how it is even a plausible argument.
Nina said it best--they need their mother right now more than ever. We already saw Wiley asking her question before the hypocritical, lying, scam-artist Sasha showed up. The kids are confused and miss their daddy and the person who should be comforting them is their mother. Point. Blank. Period.
Yes. It makes NO sense to leave the children with a nanny without either of the parents just so the grandmother can see them a few times a day.