情已入骨心成魔爱已入骨恋成痴
[qíng yĭ rù gú xīn chéng mó ài yĭ rù gú liàn chéng chī]
'Love Has Entered the Bone, Heart Became a Demon; Love Has Entered the Bone, Obsession Has Taken Over' reflects deep, almost unhealthy obsession or passion that has taken root so deeply that it has consumed the individual, turning love into something more extreme or even destructive.