Whether your life consists of caring for others (children, elderly parents, or disabled relatives) or for your self (fitness, education, relaxation, or having fun) should not be differentiated.
The point is employers need to realize that you need to HAVE a life, and that will in the end make you the most productive and happy employee.
Perhaps what we need is acceptance of part time work in more high earning jobs. People who want to work 60-80 hour weeks and make the maximum money should be able to do so, while accommodating those who want to work 30 hours a week but are okay making less.