Happiness is a conscious choice.

幸福是一种有意识的选择。

Writing is not a conscious choice.

写作不能有意识的选择。

In fact, I made a conscious choice not to abandon my ego.

事实上，我做了一个自觉的选择：就是不放弃自我。

You make a conscious choice on how to react to situations.

你有意选择面对情况时该如何做出反应。

Happiness is a conscious choice, not an automatic respond.

幸福是理性的选择，而不是自然的反应。