One of the best improvements to Illinois law over the last hundred or more years is the policy favoring leave to amend. Whether a complaint, an answer, an affirmative defense or a reply, the courts are encouraged to liberally allow leave to amend so parties may try to resolve curable deficiencies. Healy v. Bearco Management Inc. 216 Ill.App.3d 945, 960 (2nd Dist. 1991). Sometimes, of course, a deficiency is incurable and leave to amend should be denied at the outset. “Justice and reason require the …