“There’s a phrase, the elephant in the living room, which purports to describe what it’s like to live with a drug addict, an alcoholic, an abuser. People outside such relationships will sometimes ask, ‘How could you let such a business go on for so many years? Didn’t you see the elephant in the living room?’ And it’s so hard for anyone living in a more normal situation to understand the answer that comes closest to the truth: ‘I’m sorry, but it was there when I moved in. I didn’t know it was an elephant; I thought it was part of the furniture.”
―
Stephen King,
The Dark Tower