Couples use it to grow old together.

Enjoy happiness together and share the danger together. Describe the close relationship and similar interests.

Source: Three Kingdoms Cao Weizhi "Seeking the Self-Test Table": "Those who dare to listen to your majesty's words are sincere and share the same life with the country."

The white head remains unchanged. Chongqing: change. Never change when you are old. Describe a person who has been loyal and firm all his life.

Source: "Biography of Liang Shu and He Dian": "He Xin retired, lived slowly and balanced, and never wavered."

White head to old head: white hair. Husband and wife love each other forever.

Source: The Book of Songs Meng: Grow Old Together Cai Minglu's "Huai Ji Xiang Zhao Feng Ban Shi": "Son, I will grow old with your mother, and I will be rich."

Grow old together: white hair; Kay: Common. Husband and wife love each other forever.

Source: The Book of Songs Meng: Grow Old Together Cai Minglu's "Huai Ji Xiang Zhao Feng Ban Shi": "Son, I will grow old with your mother, and I will be rich."

Grow old together for a hundred years: common. Refers to the husband and wife grow old together.

Source: Yuan Wuhan Chen's "Golden Pavilion" is the second discount: "The official's son gave me a big gift, I will marry you and hope to grow old together for a hundred years. You just refuse to follow it, but why? "

Helping each other in the same boat is a metaphor for experiencing adversity together.