He is very protective of the high lady and high Lord. He is very loyal to Rhysand. the members of the inner circle are, Cassian, Morrigan, Feyre (the high lady), Rhysand (the high Lord) and Ameren. (Feyre's sisters are Nesta and Elaine) He has been working for Rhysand for decades. Despite your arguments and the fact that he dislikes you he is extremely protective of you. He doesn't want to tell you about the mating Bond because it would change  everything, so he's waiting for you to figure it.