双宿双飞

Explanation: Places together, fly together. Metaphor of love between men and women peas and carrots. 　　Usage: Joint type; as the predicate attribute; with compliment 　　Source: Anonymous "Miscellaneous words": "not as good as the birds mandarin ducks pool, Shuangsushuangfei over a lifetime." 　　Examples: Yuan Shi Deyu "Purple Cloud Chamber" Wedge: "You are willing to teach ~ over a lifetime, they are the children of each line according to my level." Thesaurus:  Fly together, Off together, Qinbi harmony