Of course. My best, and oldest friend; she is family to me. It should be said that if someone says something stupid or does something stupid in this relationship it is mostly me, but I feel like this about her. I get all defensive if someone says something negative about her and I feel like I can share anything with her. It is probably a mean thing to say, but we just have more in common and we were there for each other during rough patches (such as my grandparents dying or her parents divorcing) when we were kids, so a part of me loves her more than certain actual family members.

Friends are the family you choose. The family you have something in common with.