God's will is not a secret. There are actually verse that says that He has revealed His will to us. The problem is we have this made-up idea in our heads about what our "God's Will" is and then we don't pay attention to what He actually wants us to do.

We cannot know God's will until we get saved and our minds are transformed. Before salvation, our minds were enmity against God so it needs be transformed. This is the most important thing that needs to happen before a person concern himself with what God's will is. If salvation is neglected, wondering about what God's will is just not going to work.

After salvation, the Bible tells us what God's will for our lives is. We don't have to guess or come up with stuff.