They are like the musketeers of Dumas who, although they lived side by side with each other, did not delve into each other's lives or the recesses of their thoughts and feelings.
Musketeers went into St. Giles' to search for contraband goods, and the mob fired on the musketeers, and the musketeers fired on the mob, And nobody thought any of these occurrences much out of the common way.