Basically ignore this trait in them because their peers will take care of it. Conceited or egotistical people always eventually hang themselves with their own rope.
Well just DON'T say : " You are kidding around!! Do i really need to listen to you??" Instead just put in some hope in him. Tell him the positive points of the reason why he is committing suicide....
King Herod was a leader chosen of God, and it is recorded in verse 16 of this chapter that he slew all the young children in the Bethlehem district to revenge himself on the wise men. So we may say...