Knowledge is power.
One may feel tired as a lady and need rest, but not as a wife or mother to serve her husband and children.
No life without Sun
Besides this nowadays the condition of housewife is coming to those who working in house as the prevalence of 'work from home' comparing those who are going to workplace.
Siva's half body is Parvathi. That means both of them are sharing their responsibilities equally. Wherever Siva goes Parvathy will go and vice versa. Same should be the case with wife and husband. The husband has to struggle from morning to evening to see that his family will have all the comforts. WIfe is seeing that all the family members will be energetic to progess.