Codependency 

From the article in Good Therapy, "Codependency involves sacrificing one's personal needs to try to meet the needs of others. Someone who is codependent has an extreme focus outside themselves. Their thoughts and actions revolve around other people, such as spouses or relatives.

Codependency often appears in relationships which are unbalanced and unhealthy. A person with codependency often tries to save others from themselves. They may get hurt trying to "cure" a partner's addictions or abusive behaviors."

Read the Article