HANGOVER MADE MAYER SOBER UP

Romeo pop star JOHN MAYER reveals he quit drinking following an outrageous booze binge at singing pal DRAKE’s birthday bash two years ago. “I remember where I was,” he explains, “I was in my SIXTH day of the hangover. That’s how big the hangover was.” Don Juan John, whose long list of exes include JESSICA SIMPSON,

JENNIFER

ANISTON, KATY PERRY and TAYLOR SWIFT, says he’s actually had a life since climbing on the wagon. “I did four tours. I was in two bands. I was happy on airplanes.” He says when you first quit, you end up on a “level of boredom.” But while there are no more “high highs,” the feelings slowly climb up.