Douglas was still unsure about his swimming and whether or not he had conquered his phobia after the swimming instruction was completed. He was dead set on getting rid of it for good. He swam in the pool by himself. He went diving at Lake Wentworth. He tried every single stroke he'd learned there. In the middle of the lake, he battled back the sliver of panic that had held him. Finally, he realized that he had fully transcended his previous dread on his diving expedition in Warm Lake.