"Celestial high enough for ya?" he asks, though he doesn't plan to elaborate. The angel's out of the bag a bit when it comes to Gabe, but it doesn't need to be spread more than necessary. Especially since he's Lucifer's brother. The reason Seth is so vague about his friends is because being more specific would mean giving up secrets that are not his to give. Even if Daniel is not with anyone at the moment, and he definitely seems noble in his intentions.