For whom I am living?

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I am a female, also a career woman, a mother, a wife, a daughter and sister. In some cases, as a college teacher,I am a successful career woman, everyday I am busy with working, in my spare time, I devote almost all of my time to taking care of my son and husband. My mother is old now, I have to spare some to look after her. I also have a younger brother, He has a lovely son who needs me to teacher him English when I have some time. Besides my job, in order to earn more money, I have to make full use of spare time to do some part-time jobs. sometimes I don't know for whom i am living, In fact i don't want to be a workholic, but what's my pleasure in my life? I really feel puzzled.