John 15:15 No longer do I call you servants, for a servant does not know what his master is doing; but I have called you friends, for all things that I heard from My Father I have made known to you.
Being a servant is one of the great accomplishments of the Christian life. More than once, Jesus told us that servants, not rulers, are the greatest Christians. Jesus said that wherever He is, His servants will be there also. In that case, His servants are going to be learning a lot from Him, and they are going to be close to him.
But a servant isn't entitled to an explanation. If God tells you to do something, you are to do it, without questioning God. As a servant grows in the Lord, however, God wants him to grow spiritually and to understand His ways.
How do you grow from a servant of God into a friend of God?