"I've struggled so hard to reign in my temper because it actually terrifies me"

In this quote, Susannah York reveals her struggle with managing her temper. She exposes that her mood is something that she has actually been attempting to manage for a very long time, and it is not a simple task. Using the word "struggled" recommends that it has been a continuous battle for her. She also points out that her mood "terrifies" her, suggesting that it is a powerful and frustrating feeling for her. This quote highlights the internal dispute and fear that comes with trying to handle one's mood, and it reveals the vulnerability and honesty of York in acknowledging her battle.