After the Access Hollywood tape came out...one month before the election...she could have walked. She held all the power. She probably still does. Money is what she negotiated for to play her part to keep him alive politically. No love lost between them. A business deal.
Melania and Ivanka mostly "avoid each other".
Melania wanted Barron to share EQUALLY with the other trump kids and not be shafted neglected less than.
Any mother would want that.
Separate bedrooms. Separate quarters. They live separate lives but she shows up for photo ops to keep the fantasy alive. Good wife right?