self.thing.name))
                     break
         self.thing.game.record_change(self.thing.position, 'other')
-        terrain = \
-            self.thing.game.maps[self.thing.position[0]][self.thing.position[1]]
-        if terrain in self.thing.game.terrains:
-            terrain_type = self.thing.game.terrains[terrain]
-            if 'sittable' in terrain_type.tags:
-                self.thing.standing = False
-                self.thing.send_msg('CHAT "You sink into the %s. '
-                                    'Staying here will replenish your energy."'
-                                    % terrain_type.description)
-        for t in [t for t in self.thing.game.things
-                  if t.type_ == 'Chair' and t.position == self.thing.position]:
-            self.thing.standing = False
-            self.thing.send_msg('CHAT "You sink into the Chair. '
-                                'Staying here will replenish your energy."')
+        self.thing.try_to_sit()
         self.thing.invalidate('fov')
         if self.thing.blocks_light:
             self.thing.game.record_change(self.thing.position, 'fov')
 
         chars_split = list(chars)
         chars_split.sort()
         return ''.join(chars_split)
+
+    def try_to_sit(self):
+        terrain = self.game.maps[self.position[0]][self.position[1]]
+        if terrain in self.game.terrains:
+            terrain_type = self.game.terrains[terrain]
+            if 'sittable' in terrain_type.tags:
+                self.standing = False
+                self.send_msg('CHAT "You sink into the %s. '
+                              'Staying here will replenish your energy."'
+                              % terrain_type.description)
+        for t in [t for t in self.game.things
+                  if t.type_ == 'Chair' and t.position == self.position]:
+            self.standing = False
+            self.send_msg('CHAT "You sink into the Chair. '
+                          'Staying here will replenish your energy."')