"Melania has been overheard referring to Ivanka as 'The Princess'.... Ivanka, when younger, called Melania 'The Portrait' because she spoke as often as one."

Writes Dwight Garner in "A New Book Brings Melania Trump Into (Slightly) Better Focus" (NYT). Also:

[Melania] spends much of her time with Barron and her parents. Barron speaks Slovenian...  “Trump has complained to others,” [author Mary] Jordan writes, “that he has no idea what they are saying.”...

[O]ne of her former New York roommates... told the author that Melania, in those pre-Trump days, liked to watch “Friends,” ate seven fruits and vegetables a day, didn’t drink alcohol and walked with weights on her ankles to keep toned.

Jordan confirms that the first lady and her husband sleep in separate bedrooms. He likes darkly colored walls and rugs; she prefers light ones. They rarely seem to interact. He uses Irish Spring soap....

When someone once hazarded a joke about Trump’s penis size, the author writes, Melania replied, “Don’t say this — he’s a real man.”

Donald Trump appears to dwell in the White House, for the most part, like a sultan among his pillows. Melania is self-exiled with her parents and son. On many days, Jordan writes, her press office doesn’t answer questions about where she is....