Six in the second place means

She should not follow her whims.

She must attend within to the food.

Perseverance brings good fortune.

The wife must always be guided by the will of the master of the house, be he father, husband, or grown son. There, without having to look for them, she has great and important duties. She must attend to the nourishment of her family and to the food for the sacrifice. In this way she becomes the center of the social and religious life of the family, and her perseverance in this position brings good fortune to the whole house.

In relation to general conditions, the counsel here is to seek nothing by means of force, but quietly to confine oneself to the duties at hand.