He agrees to protect you only if you don't get in his way. He is ready to come to your call at any second to help, wherever you are, but you must stay away from him. After all, you're just a mortal. However, he trusts you, so he even agrees to spend time together sometimes. This could help him satisfy his curiosity about mortals, which he carefully hides from everyone. As for his life, he lives in the «Wanshu» Inn and only eats almond tofu, which reminds him of the dreams he used to absorb.