Duke studies her expression when she pauses, when she trails off. He cannot help his reaction to the microchip, because yeah by his world's standards, it's creepy. Also, he did not have a good relationship with either of his parents. The idea they could just know where he was at all time?

It's different for her. She cares about her parents.

"I'm sorry. I wish there was a way to get back through to them- to get you back through to them. ...totally not used to microchips on children being a thing, but I can tell you love them."

It would be hard then to leave them. His hand slides over her own, and he tightens his hold there. "...by some miracle you fell right on to my front door step. Practically. I've missed you."