Stevie Nicks doesn’t have much sympathy for peers who are aging less gracefully than her. “I see lots of people my age, and lots of people who are younger than me, and I think, ‘Wow, those people look really old,'” she tells Rolling Stone. “I think it’s because they didn’t try.”

At 68, the legendary singer-songwriter is staying as busy as ever. In December, Nicks wrapped an extensive solo tour, and in July, she and her Fleetwood Mac bandmates will co-headline a pair of high-profile classic-rock fests in L.A. and New York. Nicks took some time recently to share her wisdom on drugs, relationships, aging and why her solo career was vital to Fleetwood Mac’s success.

Find more details here about Stevie’s career, outlook on life and why she says she’ll never retire.

Photo Credit: Rolling Stone