Miss or Mrs?

Full text.
Persons possessed of sluggish livers and tender hearts find two serious drawbacks to the enjoyment of a cruise at sea. It is exceedingly difficult to get enough walking exercise; and it is next to impossible (where secrecy is an object) to make love without being found out. Reverting for the moment to the latter difficulty only, life within the narrow and populous limits of a vessel may be defined as essentially life in public...