Growing up, the two of us were 'inseparable'. [=we were very close friends; we spent a lot of time together]
One problem is 'inseparable' from the other.
We were 'inseparable' friends.
(..) of story. Go on. After that night, Allie and Noah spent every waking hour together. And soon they were inseparable. - Noah, come on. - Your boat cannot beat me there. - That's really nice. - Mmm, mmm, mmm... "Beautiful dripping fragments. (..)2004 The Notebook