"A worried Jefferson Davis now prepared for a siege of Richmond, relying more and more on the advice of his close military adviser, Robert E. Lee. When Davis asked Lee where Lee though the South’s next defensive line should be drawn once Richmond fell, Lee said, "Richmond must not fall. It shall not be given up." Still, George McClellan refused to attack. Though his army still outnumbered the rebels, he remained convinced the opposite was true. One observer noted that McClellan had a particular faculty for "realizing hallucinations.""