一人一城一生心疼
[yī rén yī chéng yī shēng xīn téng]
Expresses a heartbroken soul bound to a city. 'One person, one city, lifelong heartache' conveys a strong attachment and enduring sorrow associated with love and places. It can describe unreciprocated love or lost relationships that forever taint one's memories and heartache related to that place.