codependent
adjective /ˌkəʊdɪˈpendənt/
/ˌkəʊdɪˈpendənt/
(psychology- codependent (on somebody) (of two people in a close relationship) relying too much on each other emotionally, especially when one person is caring for the other one
（两人在感情等方面的）互为依赖