Only listen for changes on model in routine()

@@ -53,9 +53,9 @@ define(['rivets', 'bootstrap'], function(rivets) {
                     $(holder.container).removeClass('focused');
                 },
                 blur: function() {
-                    holder.lastObj.seen(holder.lastId, true);
+                    if (holder.lastObj) holder.lastObj.seen(holder.lastId, true);
                     $(holder.container).addClass('focused');
-                    holder.lastObj.validate();
+                    if (holder.lastObj) holder.lastObj.validate();
                 },
                 validated: function(isValid, model, errors) {
                     var errorList = errors[holder.lastId];
@@ -69,11 +69,6 @@ define(['rivets', 'bootstrap'], function(rivets) {
                     }
                 }
             };
-            diveIntoObject(this.observer.target, this.observer.key.path, function(obj, id) {
-                holder.lastObj = obj;
-                holder.lastId = id;
-                obj.on('validated', holder.validated);
-            });
             $(el).on('focus', holder.focus).on('blur', holder.blur);
             rivetsBinderCall(this, this.args[0], 'bind', arguments);
         },
@@ -88,6 +83,15 @@ define(['rivets', 'bootstrap'], function(rivets) {
             rivetsBinderCall(this, this.args[0], 'unbind', arguments);
         },
         routine: function(el, value) {
+            var holder = this.validationHolder;
+            if (holder.lastObj) {
+                holder.lastObj.off('validated', holder.validated);
+            }
+            diveIntoObject(this.observer.target, this.observer.key.path, function(obj, id) {
+                holder.lastObj = obj;
+                holder.lastId = id;
+                obj.on('validated', holder.validated);
+            });
             rivetsBinderCall(this, this.args[0], 'routine', arguments);
         }
     };