Bereshit B: Chapter 63
"Male and female He created them"

Lack of fulfillment and joy in the world is rooted in the disunity between the supernal male and female forces that permeate existence. This is exemplified in the separation between man and woman. Through relations between husband and wife, we can influence and ignite a bonding in the Upper Worlds, provided this is our spiritual intent. Each time this occurs, we remove an aspect of evil from our midst. Relationships that lack this spiritual foundation cannot affect any positive change on either a supernal or a physical level.

The Kabbalists teach us that this lack of spiritual understanding is the primary source for the darkness that governs our world. We can become aware that the quality of a marriage affects the universe, and that there is spiritual meaning and purpose in every union.