She gets closer to them by necessity at first - she's very strongly introverted, and during launch preparation and the trip to the Moon, she's content enough to interact no more often than necessary. Once they've left the Moon, though, she realizes these are the people with whom she'll be spending the next five years - isolating herself will only make her miserable and less able to concentrate on her work.

She loves them, but they're only part of this one breakfast variety during the trip; on Mars there'll be dried blueberries in granola, but there's also enough gravity there to keep cereal in a bowl. She'll be eating mostly food that they've brought from Earth, with some locally-grown hydroponic vegetables. Once they find the Cavern-Dwellers, she'll be offered mushrooms, beans, eels, and frogs to eat.