First of all, it is a good thing to add joy to happiness. Getting married is a big event, not to mention having a pair of daughters is a rare thing. For twins, each other's existence is very important. They lived together for many years, so they wanted to witness each other's love together on the wedding day, so they chose two people to get married on the same day.
Secondly, this is a very rare thing, a marriage given by God. Twins have very different meanings to each other, not to mention that they have married a pair of twins together, and their meanings are even different. They are both the most important people in each other's lives. They married a pair of twins together, which is a perfect match. Such a rare thing should be put together, and everyone is for the sake of yes-men.
The meaning of marriage is very important to everyone, especially twins. In the past few decades, they have been the most important people to accompany each other. They have a heart in their hearts. Today, when they find someone they like, they naturally want to let each other witness their happiness. What's more, they found the same twin, and both of them have a heart, so they chose to get married together to witness each other and their love. This is not only a marriage given by God, but also the result of their own efforts. It was their concern for each other that led to today's ending.
In a word, they chose to get married together because their twins mean a lot to each of them. They want their brothers and sisters to witness their happiness on the wedding day, so they choose to get married on the same day.