Jim Parsons, known for his role as Dr. Sheldon Cooper in the hit sitcom "The Big Bang Theory," has spoken about the significant personal toll that his immense fame took.

Parsons, who earned four Primetime Emmy Awards for his performance on the show, stated that during the peak of his success, he was not enjoying his achievements but was instead consumed by obsessive habits that led to stress and misery. "I look back now and realize that there were many ways, at some of the best moments of my life, I was miserable," Parsons said during a podcast appearance. "I was not happy. I was stressed."

The actor explained that he felt an overwhelming pressure to constantly maintain a high level of performance, believing that his success was solely due to his intense discipline and overworking. He described this behavior as having an "OCD in nature" quality, where he felt compelled to complete a list of tasks to feel comfortable enough to perform his job correctly, a belief he now questions.

This perfectionism, while perhaps contributing to his career success, also trapped him in a cycle that he believes caused him to miss out on significant life experiences. "The somewhat self-tortured nature of it was part of it," he added. "So, I don't know what to tell people... Like, I don't know how much of that is necessary."

Parsons starred in "The Big Bang Theory" for its entire 12-season run from 2007 to 2019. The show became one of television's most popular sitcoms. He has also appeared in other projects such as "Young Sheldon," "The Normal Heart," "Hidden Figures," and "The Boys in the Band."