If you've ever prayed sincerely about a worry and then found yourself anxious again an hour later, you're not alone. Many Christians have experienced the same frustration. You pray. You ask God for help. You remind yourself of His promises. For a little while, you feel better. Then the anxious thoughts return. Maybe it's concern about your health. A strained relationship. A financial decision. A child or grandchild. Whatever . . . the worry comes back, and with it comes a