Marriage and Mathematics, what is the link? What is the connection?

Marriage is at the heart of humanity and it is an open secret that it is a value to be saved. There are many instruments to save it and in the following lines we would like to reflect on what mathematics can bring. Indeed, let's admit that the number (Pythagoras) is imposed in all things! Why not in marriage? In our case, we try to see how to reconcile these mathematics with marriage. We are not talking about high mathematics such as logarithms, trigonometry, Thales' theorem etc., but about an attempt with three simple operations, namely addition (the sum), multiplication (the product) and subtraction (the difference). How can mathematics interact with marriage from the first meeting of the young man and the young woman, during the life of the couple and accompany them to the ultimate end which is holiness? As a taste, it should be noted that authenticity must accompany them. It should be noted that there are advantages of the said mathematics as there are disadvantages but in a word, marriage is not a joke.