Obedience is not simply doing His will; it is delighting in doing His will.
When we do what we should do in the Great Commission, we are obeying God. When we do not do what we should do, we are disobeying God.
When we follow Christ, He will make us fishers of men. If we are not fishing for men, it is evidence that we are not following Christ.
When God is silent it isn't because He didn't hear, but He is often working on our faith. All we need from God is a crumb.