相思断
[xiāng sī duàn]
'Xiang Si Duan' stands for 'broken thoughts', especially regarding missing or loving someone dearly as in 'severed yearnings'. The person bearing this online handle probably experienced some form of broken romance, intense nostalgia, or a deep, unreciprocated affection that ended tragically or left them heartbroken, evoking feelings that go beyond mere loneliness or simple love-sickness.