Though Gibbs didn't offer any questions, Robin was aware how odd that would seem. "He lives next door," Robin nodded his head, indicating the cabin he was talking about, or the direction it was in, anyway. Gibbs would find out eventually, given that they were living in close quarters.
"Rule twenty three..." Robin repeated it in mock contemplation, he already knew which one it was, from the show, before glancing up at Gibbs in amusement. "I didn't think talking about it constituted messing with it."