朝思暮念留不住你日夜挂念离不开我
[cháo sī mù niàn liú bù zhù nĭ rì yè guà niàn lí bù kāi wŏ]
Expresses intense longing and separation anxiety. Roughly means thinking about someone from dawn till dusk can't keep them but missing the person all day shows how intertwined lives have been.