The phase everyone knows is blood is thicker than water. What most people don't know is that is neither the whole statement nor is that the intended meaning. The original statement was "Blood of the covenant is thicker than water of the womb."

The short explanation is that the friends you make by choice, are closer and more important to you than merely being related to a person by accident of birth.

Fuck your bio family. Go outside and find your real family and stop worrying what those people you have to live with think about you.