Why did the mother think her baby was mathematical genius after their parrot died?

The mother believed her baby was a mathematical genius because, after the parrot died, the child began to exhibit unexpected behavior, such as counting and recognizing patterns. The mother interpreted these actions as signs of advanced intellect, fueled by her grief and desire to find meaning in her loss. She may have also been projecting her hopes and aspirations onto the child, viewing the unique behavior as a form of brilliance.