Ethics of dating
There are at least two valid reasons for classifying courtship as a subject for spiritual study.
Can I use another person in any manner I wish to fulfill my own selfish interest?
All of a Christian's life in every aspect of human existence is subject to and governed by the Lord through Scripture's teachings and principles.
Second, courtship can validly be considered a spiritual subject because it is based on ethical-moral decisions and relationships.
In human conduct, they referred to principles of conduct which would permit a person to function in security and stability or safeguards of human conduct which would allow a person to function responsibly.
The Latin meaning of the words was customs or manners.