What was the purpose of davids prayer in chapter 7?

David wants to save his prayers for important things. That night, David makes his escape from the farmer, telling King to stay behind where he can be sure of being fed. David goes through his tunnel, and out onto the road, now clear of snow. As he thanks God for helping him see what he had to do, he becomes aware that he's being followed. Believing it's the farmer coming after him, he quickly hides, but happily realizes that it's King! David keeps going, happy in his faith in God and with King. "The long winter had passed," narration comments, "and he was going down to meet the spring.