Robert Kirkman, on the episode titled “Clear”:
It means a lot of things. To a certain extent it’s the ravings of a lunatic but it’s also about him trying to clear out his life and clear out any entanglements around him. He’s living by himself so he’s trying to have a clear head. It’s basically about him getting rid of his wife and getting rid of his son and the only way for him to survive is to clear the area around him.
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