What they're doing isn't allowed in most places Jack has been. He doesn't expect it is here. It's another reason that it's probably better if they believe he's an imbecile. They may go easier on him if he and Anaba are caught.
She's so wonderfully forceful and not at all afraid. Jack stretches his spine against the tree and feels himself starting to get hard. He really ought to get business out of the way before pleasure makes him forget.
He sorts through the words he knows how to say. "Anaba... Why do braves fight?" He knows the wording isn't quite right but points back to the village where the men are still meeting in their tent. He hopes she understands and can tell him.