Cas looked amused at Dean’s inhalation of the food and handed him the book and shook his head as he did what he usually did and fetched Beers for the studious ones. “they do tend to procreate.” Cas admitted. “Djinni are rather good parents if I remember correctly. They will care for their children for much longer than humans tend to as well.” he pondered that for a moment and then. “the question here is, how do we tell and if this is so, how do we stop them? I don’t see them leaving you alone just because they failed the first time.”