感情の起伏が激しい人やその時の気分でコロコロ変わる人の理解はいらない。
出来るだけ関わらないように距離をとることも大切。

Keep your distance
You don’t need to understand people who have extreme emotional ups and downs or who change their moods from one moment to the next. It is important to keep your distance so as not to get involved as much as possible.