The protection goes unnoticed for the most part, but it's appreciated. Jack feels more confident that he won't be attacked with a little girl attached to him. So it's good.
He would agree with Anaba that marriage is a waste of one's time and not for strong women. He would recommend going to sea, but that's just his own path to freedom. Jack laughs when she pushes him and runs away. He won't much enjoy having gold and pyrite in his meal.
Jack hasn't had a girl tease him like that in years. It makes him feel very young. He looks down at Kimi. "What d'you say? Do we go after 'er?"