Additional details on Tim McGraw's struggle with substance abuse have surfaced on the web. In his new cover story with Men's Health, Tim reveals until seven years ago, there weren't many times he went onstage without "something" in his system.

He says, "I drank too much. I partied too much. And did other things too much. Chemically. No needles or that kind of stuff, but … use your imagination."

Tim adds his wife Faith Hill was the one who got him to stop, saying, "When your wife tells you it's gone too far, that's a big wake-up call."

Tim's Men's Health issue hits newsstands on Tuesday.