Dynamics in family business

I work for my mother. She has a serviced based business of 30 years. I’ve been in and out of the company in the last 20 years. I’ve done much to help her and she wants a family member to be in the company. But she is having a hard time delegating and constantly feels threatening by me.

I feel underutilized. She has me doing data entry which is mindless works for over 5 years when we both know we are fully capable. She prevents me from growing. On the other hand, the job is virtual, I have flexibility and I listen to audiobooks and your podcast while I work cause the job is easy. I just can’t figure out how I will win her trust to run this business someday.

I don’t know if I am simply wasting my time or I am going somewhere with her. I’ve thought of copying her business and doing something on my own, but she feels extremely threatened. She calls me minimum 5 times a day during work. Not sure if to check on me to see if I am working or she is so anxious she needs to. How can I develop the right mindset to stay in the family business without so much family drama?