最初不过你好最后不过再见
[zuì chū bù guò nĭ hăo zuì hòu bù guò zài jiàn]
This username conveys the sentiment of relationships: at the beginning, people are simply saying hello to each other; ultimately, they're bidding farewell. It implies the transient nature and perhaps inevitable end of any connection between individuals, reflecting on how some encounters or feelings can be fleeting.