Why

Imagine if you came home and found a naked man, a stranger, had broken into your home and was rubbing his body,  especially his feet, all over your stuff. Particularly, his unwashed feet touched as much of your food as he could find. And he wants to touch you, too. He'd get anywhere he could reach. (Assume he's revolting.) Then he starts taking some of your food, and calls all of his friends to help him rob you.
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And that's why I hate ants.