In everything he did he had great success, because the Lord was with him.

I Samuel 18:

“After removing Saul, he made David their king. God testified concerning him: ‘I have found David son of Jesse, a man after my own heart; he will do everything I want him to do.’”

‭‭Acts‬ ‭13‬:‭22‬ ‭NIV‬‬

https://bible.com/bible/111/act.13.22.NIV

Succeed in everything he did

Everything I want him to do

1 Sam 16:18

How David was introduced to Saul :-

Talented (skilful) harp player

Brave warrior, a man of war

Has good judgment 

Also fine-looking young man

LYRE

David knew how to worship God

Connecting to God in daily lifestyle

Cultivated a lifestyle of worship

A life with God

SLINGSHOT

David has a courageous heart

Even though scared, he still went to war because he trusted God

Life with God

God was with Saul and after numerous rejections by Saul, God left him and Saul was exposed and tormenting spirit came upon Saul (in God’s sovereignty allowed it).

God was with David and David was God!