US /ˈpɑrt əv ðə ˈfɝnɪʧɚ/
・UK /ˈpɑ:t əv ðə ˈfə:nɪʧə/
Yes, you are part of the furniture, I think.
I am part of the furniture.
However, as technology has evolved, TVs have become less part of the furniture, and
And the book becomes, you might say, literally a part of the furniture of your mind.