1, I know I really need Jesus. When I am deeply saddened, there is no other friend like the Lord. "The first sentence is a need, a belief, and we should sing it with deep affection to express our real need for Jesus.
2, the second sentence is deep sorrow, you have to sing with the protagonist, feel the sadness of the protagonist, empathize, and the most important thing in singing is to be there, and the protagonist will sing.