情到深处怎能不孤独爱到浓时就牵肠挂肚
[qíng dào shēn chŭ zĕn néng bù gū dú ài dào nóng shí jiù qiān cháng guà dù]
Conveys profound love where the deep emotions make someone feel both profoundly lonesome (due to longing) yet strongly bonded and preoccupied. Intense love brings about strong emotional dependency and connection.