Jon Hamm sure has a way with words - both on and off screen. The Hollywood actor has said that he will be "gainfully unemployed" once Mad Men says its final good-bye when the series ends next month.

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According to the Sydney Morning Herald, Hamm, who plays the show's protagonist Don Draper, says that playing the womanizing advertising genius hasn't been easy for him.

He said, "Acting is not a physically demanding job, like playing professional football, or breaking big rocks into little rocks, but it does take a lot of focus and mental acuity, and it takes an emotional toll. Especially when you're playing a person with a lot of emotions; you can have a lot of sad days at work."

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Hamm also opened up about filming the series' last episode, which he likened it to a grieving process.

He said, "There was a grieving process. Whatever the stages of loss are: anger and bargaining ... but you eventually come to acceptance. We all went through a version of that to various degrees."

Hamm added, "You don't need to burn sage and take a circle shower and cleanse yourself in the water of Lake Minatonka. For me, it was taking off the suit, wiping the crap out of my hair, wiping off my make-up and feeling like a normal person again. The power of the costumes is so incredibly transformative. Reconfiguring yourself goes a long way."

As far as the future, for Hamm, there's no doubt that it's going to be a bright one.

Even though he joked that stares ""staring at a phone that's not ringing and wondering if you're going to work again," he did add, "I'm gainfully unemployed. I have nothing to do."