Just "Breathing in I relax, breathing out I release.", releasing tension, releasing stress, release whatever one needs to, I release pain, even.

吸气，放松，呼气，释放，释放出紧张感，压力感，释放需要放出的，甚至是苦痛。

普林斯顿公开课 - 人性课程节选

Sometimes I write my feelings down on paper to release stress.

有时我会把我的感受写在一张纸上来释放压力。

Why don't 实战 - SpeakingMax英语口语达人