As his career was taking off in the early 1960s, Cash began drinking heavily and became addicted to
amphetamines and
barbiturates. For a brief time, Cash shared an apartment in Nashville with
Waylon Jennings, who was heavily addicted to amphetamines. Cash used the uppers to stay awake during tours. Friends joked about his "nervousness" and erratic behavior, many ignoring the signs of his worsening drug addiction.
Although in many ways spiraling out of control, his frenetic creativity was still delivering hits. His rendition of "
Ring of Fire" was a major
crossover hit, reaching No. 1 on the country charts and entering the Top 20 on the
pop charts. The song was written by June Carter and
Merle Kilgore and originally performed by Carter's sister, but the signature
mariachi-style horn arrangement was provided by Cash, who said that it had come to him in a dream. The song describes the personal hell Carter went through as she wrestled with her forbidden love for Cash (they were both married to other people at the time) and as she dealt with Cash's personal "ring of fire" (drug dependency and
alcoholism).
Cash sometimes spoke of his erratic, drug-induced behavior with some degree of bemused detachment. In June 1965, his truck caught fire due to an overheated wheel bearing, triggering a forest fire that burnt several hundred acres in
Los Padres National Forest in California. When the judge asked Cash why he did it, Cash said in his characteristically flippant style at the time, "I didn't do it, my truck did, and it's dead, so you can't question it." The fire destroyed 508 acres, burning the foliage off three mountains and killing 49 of the refuge's 53 endangered condors. Cash was unrepentant: "I don't care about your damn yellow buzzards." The federal government sued him and was awarded $125,127. Johnny eventually
settled the case and paid $82,001. Cash said he was the only person ever sued by the government for starting a forest fire.
He carefully cultivated a romantic
outlaw image, but he never served a
prison sentence. Although he landed in jail seven times for
misdemeanors, each stay lasted only a single night. His most serious and well-known run-in with the law occurred while on tour in 1965, when he was arrested by a
narcotics squad in
El Paso, Texas. The officers suspected that he was
smuggling heroin from
Mexico, but it was prescription narcotics and amphetamines that he had hidden inside his guitar case. Because they were prescription drugs rather than illegal narcotics, he received a
suspended sentence.
He was also arrested on May 11, 1965, in
Starkville, Mississippi, for
trespassing late at night onto private property to pick flowers. (This incident gave the spark for the song "Starkville City Jail", which he spoke about on his live
At San Quentin prison album.)
The mid 1960s saw Cash release a number of
concept albums, including
Ballads Of The True West (1965), an experimental double record mixing authentic frontier songs with Cash's spoken narration, and
Bitter Tears (1964), with songs highlighting the plight of the
Native Americans. His drug addiction was at its worst at this point, however, and his destructive behavior led to a
divorce from his first wife and cancelled performances.
In 1967, Cash's duet with Carter, "
Jackson", won a
Grammy Award.
Cash quit using drugs in 1968, after a spiritual epiphany in the
Nickajack Cave. June,
Maybelle, and Eck Carter moved into Cash's mansion for a month to help him defeat his addiction. Cash proposed onstage to Carter at a concert at the
London Gardens in
London, Ontario on
February 22,
1968; the couple married a week later in
Franklin, Kentucky. June agreed to marry Cash after he had 'cleaned up'. Cash rediscovered his Christian faith, taking an "
altar call" in Evangel Temple, a small church in the Nashville area. Cash chose this church over many larger, celebrity churches in the Nashville area because he said he was just another man there and not a celebrity.