diff --git a/ruby/gilded_rose.rb b/ruby/gilded_rose.rb
index e177a497..436b0db7 100644
--- a/ruby/gilded_rose.rb
+++ b/ruby/gilded_rose.rb
@@ -1,56 +1,49 @@
 class GildedRose
-
   def initialize(items)
     @items = items
   end
 
   def update_quality()
     @items.each do |item|
-      if item.name != "Aged Brie" and item.name != "Backstage passes to a TAFKAL80ETC concert"
-        if item.quality > 0
-          if item.name != "Sulfuras, Hand of Ragnaros"
-            item.quality = item.quality - 1
-          end
-        end
+      next if item.name == "Sulfuras, Hand of Ragnaros"
+
+      if item.name == "Aged Brie"
+        item.quality += 1 if item.quality < 50
+      elsif item.name == "Backstage passes to a TAFKAL80ETC concert"
+        increases_proportionally_to_age(item)
       else
-        if item.quality < 50
-          item.quality = item.quality + 1
-          if item.name == "Backstage passes to a TAFKAL80ETC concert"
-            if item.sell_in < 11
-              if item.quality < 50
-                item.quality = item.quality + 1
-              end
-            end
-            if item.sell_in < 6
-              if item.quality < 50
-                item.quality = item.quality + 1
-              end
-            end
-          end
-        end
-      end
-      if item.name != "Sulfuras, Hand of Ragnaros"
-        item.sell_in = item.sell_in - 1
+        decrease_quality(item)
       end
+
+      item.sell_in -= 1 if item.name != "Sulfuras, Hand of Ragnaros"
+
       if item.sell_in < 0
-        if item.name != "Aged Brie"
-          if item.name != "Backstage passes to a TAFKAL80ETC concert"
-            if item.quality > 0
-              if item.name != "Sulfuras, Hand of Ragnaros"
-                item.quality = item.quality - 1
-              end
-            end
-          else
-            item.quality = item.quality - item.quality
-          end
+        if item.name == "Aged Brie"
+          item.quality += 1 if item.quality < 50
+        elsif item.name == "Backstage passes to a TAFKAL80ETC concert"
+          item.quality = 0
         else
-          if item.quality < 50
-            item.quality = item.quality + 1
-          end
+          decrease_quality(item)
         end
       end
     end
   end
+
+  private
+
+  def decrease_quality(item)
+    decrement = item.name == "Conjured" ? 2 : 1
+    item.quality -= decrement if item.quality > 0
+  end
+
+  def increases_proportionally_to_age(item)
+    if item.sell_in <= 10
+      item.quality += 1 if item.quality < 50
+    end
+    if item.sell_in <= 5
+      item.quality += 1 if item.quality < 50
+    end
+  end
 end
 
 class Item