Clifford R. Adams, How to Pick a Mate: The Guide to a Happy Marriage (1946)
“ Exceptions can be made if the man is away for a prolonged period, but as a rule there should be no extra-curricular dating.Here are some of the purposes that an engagement should serve in addition to taking you out of circulation:—Engagement provides a period of deepening love and affection during which there is an awakening of sexual feelings which will make the couple yearn for the full intimacy which marriage permits. ”
