【痛痒相关】〖tòng yng xing gun〗[Pain and itch are closely connected -- mutual sympathy; care for one another's comfort and happiness; share a common lot; sympathize with each other's trials]

痛昔抚今念故妻，

痒处搔着像昨日。

相待如宾濡以沫，

关怀备至爱甜蜜。

形容彼此关系密切。Describe each other relationship close.同：息息相关。反：无关痛痒。