"Yes, jealousy, that is another of the secrets of marriage known to all and concealed by all.

Besides the general cause of the mutual hatred of husbands and wives resulting from complicity in the pollution of a human being, and also from other causes, the inexhaustible source of marital wounds is jealousy.

But by tacit consent it is determined to conceal them from all, and we conceal them.

Knowing them, each one supposes in himself that it is an unfortunate peculiarity, and not a common destiny.
So it was with me, and it had to be so.

There cannot fail to be jealousy between husbands and wives who live immorally.