Greet one another with a kiss of love. Peace be to you all who are in Christ Jesus. Amen.
a kiss of love -- This was the typical cultural greeting among family members. It was initially adopted by the family of God (cf. Romans 16:16; 1 Corinthians 16:20; 2 Corinthians 13:12; 1 Thessalonians 5:26). By the fourth century a.d. this kiss was limited to the same sex because of the abuses within the church and misunderstandings from outside the church. - Utley