"Five years of marriage is called" wooden marriage ". Wooden marriage refers to couples who have been married for five years. After running-in, their feelings are increasingly stable, and their marriage relationship has changed from fragile as paper at first to tough as a tree and full of vitality.

It is called "wooden marriage" for the following reasons:

1, wood is stronger, indicating that five years of marriage has brought the feelings of both sides closer.

2. Getting married for one year is a "paper marriage". Wooden marriage is the evolution of paper marriage, which can highlight the changes in the relationship between the two sides brought about by five years of marriage, from paper to wood, thicker and tougher.