At sea a few weeks later, he got notification that his son, Justin Kase, had been born.
几周后的航海途中，他收到一个通知，说的是他的儿子，JustinKase出生了。
"An optimal level of stress and anxiety keeps you energized, focused and motivated," says Dr. Kase.
凯思博士表示：“压力达到最佳水平能让你保持活力，集中注意力，有上进心。”
"An optimal level of stress and anxiety keeps you energized, focused and motivated," says Dr. Kase.
凯思博士表示：“压力达到最佳水平能让你保持活力，集中注意力，有上进心。”
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