But at one point, Mr Low was so exhausted and thirsty that he began hallucinating, hearing voices urging him to let go of the ring buoy. He even hallucinated that someone was holding his hand and taking him to a 7-Eleven store to buy a can of Coca-Cola.
These were all part of Mr Low's four-day, three-night ordeal following the sinking of his boat, which was en route from Mersing in south-east Malaysia to nearby Tioman Island for a dive trip on May 4.
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