Jon Hamm, whose Mad Men character Don Draper drinks to excess and has long been waging a battle with booze, completed a stint in rehab prior to the premiere of the last season of the AMC show, his representative confirms to USA TODAY.

“With the support of his longtime partner Jennifer Westfeldt, Jon Hamm recently completed treatment for his struggle with alcohol addiction,” said his rep, Annett Wolf, in a statement. “They have asked for privacy and sensitivity going forward.”

Last year, Hamm told USA TODAY he and Westfeldt were more than longtime partners. “We’re essentially married,” he said. “We just don’t have a piece of paper or rings.”

TMZ broke the news first, reporting that Hamm checked himself into Silver Hill Hospital in New Canaan, Conn., at the end of February.

Hamm and his co-stars have just completed a flurry of press in New York, with stops at the Time & Life Building (which stood in for the fictional Sterling Cooper offices) where a Don Draper-inspired bench was installed, and Lincoln Center, where a panel discussion was hosted by The Film Society.

Last year Hamm described the last days on the Mad Men set as “a creeping dread of just like, you know it’s coming, you know it’s going to end,” he says. “You’re very much committed to finishing the story and obviously doing a good job. … But you’re like, ‘Whoop, we have five more read-throughs. Then we’ll have four more, then one more, then no more read-throughs.’ “

Hamm added he didn’t intend to take any of his signature character’s props as a token. “I don’t really work that way,” he said. “Memories.” Read more…