For most survivors, symptoms of fear, anxiety, re-experiencing, urges to avoid, and hyper-arousal, if present, will gradually decrease over time.

对大多数幸存者来说，所出现的恐惧，焦虑，重复体验，力图回避，高度觉醒等反应会随着时间渐渐平复。

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This "hyper-arousal" worked for McEnroe in his early career but against him towards the end, when he was unable to control it, says Mr Mahoney.

BBC: Why are tennis players so badly behaved?