相恩相知十数载不离不弃永相依
[xiāng ēn xiāng zhī shí shù zăi bù lí bù qì yŏng xiāng yī]
Describes a relationship that has been filled with mutual love and understanding for over a decade, during which they have experienced countless joys and hardships together but always chosen not to separate and to rely on each other continuously.