Isabella allows the music to lapse into silence after the next collection is through, and she reads a little, and then she goes to bed.
Isabella is up ten hours later. She takes another shower. She changes outfits again. She comes out and sits in her chair and puts on music. She reads the news.
Isabella keeps the music respectfully soft and inputs her commands to the ship computer nonverbally when possible.
For someone who almost never practices, she has emotional suppression down cold, even if it seems to take everything else with it.
The next planned system wasn't far away from the abandoned one. Isabella sets about surveying its component parts, efficiently and silently.
Isabella will also accept lunch and dinner, if he offers them. If he does not, she warms things for herself between planets.
She is halfway through the system (it has a lot of moons, and a big asteroid belt) when she goes to bed again.
In her "morning", she observes that he has finished the job, thanks him, and proceeds towards the next system.
There is more interstellar space between the last system and the next. They are not there yet when she goes to bed.