A lot of the time we seek our parent's approval on things. After all, they used to be the only two people we looked up to. But after some point, you realize your parents are just people with flaws, who sometimes have opinions that you don't agree with, and that's okay. We are many to make our own decisions and even make our own mistakes. If you're an adult, and your parents aren't financing that decision, they don't really need to be involved at all.
One nosy mom decided she didn't like her daughter's new job and legitimately tried to call her boss and get her terminated. Now, her daughter, on the 'Am I the A-hole' page on Reddit, is seeking validation in her decision to ignore her mother's wishes.