Could you tell us more about Xavier?
Because food is more readily available on the ships where he's from, Xavier sometimes neglects his need to eat until he actively feels faint. It's one of the reasons he grabbed the belth variant while inside enemy lines. He is still getting use to a more survival style of eating, even though the Y'heli rebellion seems well-stocked and well-prepared.
His sense of immediacy is also reinforced by this on-demandness of the ship. After learning [spoilers], it took Xavier only a few hours before he was stealing a ship and flying off to Y'he. Had he thought everything out? Nope. Was he doing it? Yeah.
He is incredibly lucky he landed in the forest with the Y'heli. Probably anywhere else he crash landed would of likely ended with imprisonment and possibly death.
When I said test tube baby, I meant that he's mother didn't carry him at all and he instead was grown in a faux womb in the ship's birth lab. She simply provided the dna and the donor provides theirs. Their relationship is...clinical.