He does notice the wry quality to that last part of what she says. It doesn't sit super well with him, mostly because if the implication he's reading into it is right and she's refering to people who were mean to her, he instinctively wants to go out and fight them for it. Even though there's no way for him to do so.

"I see," he says as he forces down the feeling, instead settling back down on Nita's whale back again and trying to enjoy the view and the ride. "Well, I do suppose understanding doesn't rely on just speaking the same language anyway. It's also about your heart." Yes, leave it to Inigo to say something that sappy.