We know that Chloe’s juggling a lot – her foreign husband Dan in the internal affairs investigation, in cooperation with a self-involved parties who believe that he is the devil. In other words, they have a long way to become a trope walk we introduced in the first episode. Satan himself is compatible with a devil of a time with the fact that he is in fact jealous of Dan. He feels other emotions too. Like repentance, to punch holes in Martin office wall. This means that he cares about his therapist, which I guess is true to some extent. She helps him to manage their emotions and to better understand not only that, but what it means to be human. With the exception of Lucifer, this is not a development – emotional baggage is a drawback. And how he could feel jealousy? By his account, he must be immune to the green-eyed monster, because it inspires passion in other people.