当孤独已变成一种习惯
[dāng gū dú yĭ biàn chéng yī zhŏng xí guàn]
When Loneliness Has Become a Habit. This user name expresses a sentiment of being accustomed to loneliness or solitude, indicating the person might often feel alone but has become used to it. The phrase also implies an acceptance and even embracement of being alone.