Weird news: 12 pounds of coins found in a man's belly

There's an article on CNN about a man who swallowed twelve pounds of coins, necklaces and needles over the course of a decade. He had a disease called pica, which comes from the Latin word for magpie. It's a condition (such as when kids eat dirt), but this man's was probably linked to a psychiatric disorder. I wonder if it was just a weird side effect or if it actually started with a rational decision, such as needing to hide money and spread from there ...