Okay. Just for future reference. I'm not trying to be mean or denying everything your post had in it. Crazies can take a lot before they go down. I'm just going to assume you used most, if not all of the energy you had.
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The other crazies, suddenly stopping to think for a moment, decided that fighting this guy was a bad idea, and retreated to assist in the hunt for other survivors. One crazy however remained within view of Kochieboy because he saw that Kochie used most of his energy. The crazy didn't attack, he didn't move, he just waited for Kochie to regain some energy.