Let's say you're at the grocery store. You have a cartfull of stuff and you're in the checkout line. Suddenly you remember an item that you forgot to pick up on your way through the aisles. There's nobody in line behind you, but the item is far enough away as to be out of sight of your cart. Do you:
A. Leave your cart in line and quick run to get the thing
or
B. Take your cart with you and risk losing your ideal place in line.
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A. Leave your cart in line and quick run to get the thing
or
B. Take your cart with you and risk losing your ideal place in line.
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