A source tells E! News, "He did it to mark the end of a chapter. It had that ceremonial quality to it." (He does know that mustache March is right around the corner, right?)

The proud star—who was snubbed by the Academy for Best Director—gave an emotional acceptance that included numerous thank yous, admiration for his wife Jennifer Garner and lessons he's learned in Hollywood since getting into the industry at a young age.

"You have to work harder than you think you possibly can. It doesn't matter how you get knocked down in life because that's going to happen. All that matters is you have to get up."

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