The rabbit, the hare and a tortoise

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The rabbit, the hare and the tortoise lived in a small house in the woods. They didn't have much food, so they decided that one of them should go to the grocer’s. They had a discussion and decided that it was the tortoise's turn. So they made up a list, gave him a shopping bag and some money.
The next day, the tortoise hadn't returned.
“He's taking a long time.” said the hare.
He's so stupid. I bet he can't find his way home.” said the rabbit.
The next day, the tortoise still hadn't returned.
“Where is that idiot?” said the rabbit.
“I wouldn’t be surprised if he's stolen our money and he's not coming back.” replied the hare.
The next day, the tortoise poked his head around the door and said, “If you're going to talk about me like that, I'm not going.