Nemeses

Her mother was her nemeses when it came to fashion choices.

Impulsive buying was one of her nemeses that resulted in a financial crisis.

The scientist believed that time was the ultimate nemeses, always ticking away and limiting his ability to achieve his goals.

Poor time management was one of his nemeses that hindered his productivity.

His impulsive behavior became his nemeses in the courtroom.

Financial struggles and debt were his nemeses for many years.