Kyle and Allison had a wonderful honeymoon in an exotic location. When they returned home, however, they discovered that Kyle’s feet had developed a strange, itchy rash. The couple was referred to an infectious disease specialist. He informed them that small parasites had burrowed their way into Kyle’s feet through blisters caused by his new flip flops. What started out as a dream vacation ended in a challenging battle with unwanted “guests.”

David knew that if he didn’t ask God for help to fight sin, his dream of living a pleasing life before Him would turn into a battle with the…