Three years of marriage is a leather marriage. Compared to a paper marriage for one year and a cotton marriage for two years, the relationship between married couples for three years is already a bit like leather, with toughness. After three years of run-in and tolerance, the feelings of husband and wife are more tough and stable, and more profound, no longer as fragile as just married, easy to break, but want to maintain the quality of cortex, that is, to maintain the quality of marriage, still need two husband and wife to maintain marriage, cherish and tolerate each other.