We are all disappointed from time to time by people. It’s impossible to live in this imperfect world and avoid this. Here is a study on the experiences of Samuel with Saul and David to encourage you to look for that better thing that God has for you when disappointment comes.
1Samuel 10:1 Then Samuel took a vial of oil, and poured it upon his head, and kissed him, and said,Is it not because the LORD hath anointed thee to be captain over his inheritance?
Samuel anointed Saul to be king over Israel at the commandment of the Lord. God had chosen Saul from among all the men of Israel for a most important job - leading His people militarily and governmentally. Samuel had every reason to expect Saul to turn out well. He was chosen by God, not elected by the people.
1Samuel 10:6 And the Spirit of the LORD will come upon thee, and thou shalt prophesy with them, and shalt be turned into another man. 7 And let it be, when these signs are come unto thee, that thou do as occasion serve thee; for God is with thee. Samuel had prophesied that the Spirit of the LORD would come upon Saul and that he would be changed to another man, and it had been fulfilled…