237. (3) Reasons for cold states in their gradual progressions are many, some of them internal, some external, and some incidental. People know in the world that there are many reasons for cold states in marriage, also that they arise as a result of a number of external factors. They do not know, however, that the origins of these factors lie hidden in the inmost recesses of a person, and that they develop from them into subsequent elements until they appear in their outward manifestations. Consequently, to make it known that external factors are not reasons in themselves, but stem from others that are the reasons in themselves, which - as we said - lie in the inmost recesses of a person, we therefore first distinguish these reasons generally into internal and external ones, and then explore them individually.