Saul and his sons died in the battlefield. They chopped off their heads, and hung them up on a wall.
The men of Jabesh Gilead went in the middle of the night, took the bodies down, took them back and gave them a proper burial.
David said: Because you did this thing, may the Lord show His blessing upon you. I will repay you for it too.
His heart was to bless people and show kindness to those who acted honorably.