久伴不是长情是习惯
[jiŭ bàn bù shì zhăng qíng shì xí guàn]
This name conveys the idea that 'Long-lasting companionship is not about deep love, but a developed habit.' The person who chose this nickname may be expressing their observation on relationships where people stay together not because of lasting affection, but because they've become accustomed to each other.