A nostalgic question! “老乡见老乡两眼泪汪汪” is a common Chinese phrase that means “(When) Old Friends Meet, Tears Well Up”. It’s often used to express the joy and sentimental value of reuniting with old friends or native townspeople.
As for your specific request, you’re looking for recommendations on which family’s “美饭” (delicious food) in Zhengyang County can make you tear up tears of joy! That’s a unique requirement, but I’ll do my best to help.