And he does know. He understands, at least, even if he doesn't have any familial (or family-like) connections of his own. In a way, he's almost envious of what the two of them have-- his only real father figure had been Keido, who didn't even deserve that word applied to him.
If he had someone like Booker... he doesn't think he'd want to leave them either.
[Mission 14 - Post-IC Discussion]
And he does know. He understands, at least, even if he doesn't have any familial (or family-like) connections of his own. In a way, he's almost envious of what the two of them have-- his only real father figure had been Keido, who didn't even deserve that word applied to him.
If he had someone like Booker... he doesn't think he'd want to leave them either.