Often, at the end of the letter, the New Testament writer includes some personal remarks. Through these endings, we learn more about the authors, recipients and other people somehow related to the first two groups.
At the end of Ephesians, we discover great truths of the relationship between Paul, the Ephesian believers and Tychicus. They are more than co-ministers; they are friends. In this passage, we can identify five marks of a true friend, so that we can follow this example and strengthen our relationships with other believers