| Quote #1
For now, it’s almost as if Maman weren’t dead. After the funeral, though, the case will be closed, and everything will have a more official feel to it. (1.1.2)
Closure = certainty. Meursault suspends his emotional attachment until something is made "official," or at least certain.
| Quote #2
[A] soldier […] smiled at me and asked if I’d been traveling long. I said, "Yes," just so I wouldn’t have to say anything else. (1.1.4)
When The Stranger begins, Meursault has no interest in other people whatsoever. This will gradually change as the novel progresses.
| Quote #3
"I suppose you’d like to see your mother."
Meursault recognizes that his detachment is unacceptable.