A four-word idiom for "object" and "south" or a title suitable for marriage

First, from the riverside of Jian River, South (South) countries miss each other for a dream. -Du Mu

Every year in the south, I am still exhausted. -Cui Tu

Fine grass contains melancholy, and thousands of cotton are difficult to (south) Pubin. -Yin Wengui

Wanted wedding-two newlyweds were brought into the wedding hall for the crime of excessive sweetness.

The perfect wedding needs a full moon night and a thousand miles!