When God Becomes Silent

Have you ever experienced a time when God gives you a wonderful, life-changing revelation? It may come quite simply during a personal devotion, maybe through the word of a brother or sister in Christ but often through an experience when God breaks through to us. But then right after He becomes silent for a long time. In the meantime, you go through a crisis situation. You implore God to speak again but He does not answer. What do you do?