"Well, one thing I'm really interested in, when I'm writing, is being accurate"

Sharon Olds is emphasizing the importance of precision in her writing. She is suggesting that accuracy is a key factor in her writing procedure. She is most likely referring to accuracy in terms of facts, details, and descriptions. She wants to make certain that her writing is as accurate as possible, so that her readers can trust the information she is supplying. This might also describe precision in terms of grammar and spelling, as well as accuracy in terms of the overall message she is attempting to convey. By striving for precision in her writing, Olds is making sure that her readers will be able to understand and appreciate her work.