The Following Biblical Passage provide the background for coping with difficult relationship.
a.Romans 12:9-21.this is good list of practical ways of working with people.read of all of romans 12-14 for more comprehensive treatment.
b.1 Corinthens 12:14-26.their is a place for everyone
c.Galatians 5:13-15.love makes the possible both to be free and to serve another person.
d. Other passage.Ephesians 4:25-32:galatians 5:22-26,col 3:1