be beside yourself

谢耳朵的姐姐跑去告诉谢耳朵，妈妈因为他没有朋友很不开心。

be beside yourself形容（因情绪太强烈而）无法控制自己，后面加上不同的名词就可以形容不同的极致情绪。

He was beside himself with rage when he saw the mess.

他看到一切都乱七八糟就勃然大怒。

She was beside herself with joy when she heard the news.

她听到消息欣喜若狂。