Know an eight-word answer

Tong Zixiao is a snake, and his life palace is dry, belonging to Dongsi life. Girl Xiao is a snake, and her life palace is Dui, which belongs to Xisi life. From the two life palaces, the same year and the same month, the same day, the same day, the synchronization of children, harmony between men and women, is a good marriage, can be happy for a lifetime, grow old together!