留恋

留恋	liú liàn	reluctant to leave / to hate to have to go / to recall fondly
留	liú	old variant of 留
留	liú	to leave (a message etc) / to retain / to stay / to remain / to keep / to preserve
留	liú	old variant of 留
恋	liàn	to feel attached to / to long for / to love