In 2010, Naya Rivera broke up with actor Ryan Dorsey to focus on her career.

It was very scary to open up about everything, she says in the excerpt.

Its not something a lot of people talk about, but I think they should.

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Credit: Stefanie Keenan/Getty Images for Harper’s Bazaar

I know some people might read it and say, What the Hell?

But I hope someone out there gets something out of it.

According to PEOPLE, she didnt realize the severity of her eating disorder until she started writing the book.

I was so young and it just seemed to be the norm.

Everyone was going through similar stuff, she tells the magazine.

I had no way of knowing if I was going through it worse.

Rivera played cheerleader and glee club member Santana Lopez for six seasons onGlee.

Read Not SorryonPEOPLE.com.