She’s convinced that the 66-year-old “Jack & Diane” singer will keel over with a heart attack from his smoking habit.
The 56-year-old “When Harry Met Sally” beauty tried to get the crooning chimney to quit cold turkey, but a source reported that idea was doomed.
Now, said the insider, she’s made him promise to only light up five cigarettes a day.
John, however, is having a hard time with the limit.
“He shakes like a leaf and gets all moody,” the insider claimed — adding: “She’s threatened to leave him over his chain-smoking, but she probably won’t. She’s crazy about the guy!”