private function rejectRelationship($r)
 {
     if ($this->registry->getObject('authenticate')->isLoggedIn() == true) {
         $rel = new Relation($this->registry, $r, 0, 0, 0, 0);
         if ($rel->getUserB() == $this->registry->getObject('authenticate')->getUser()->getUserID()) {
             $rel->approveRelationship();
             $rel->delete();
             $this->registry->errorPage('Relationship deleted', 'We have rejected the relationship.');
         } else {
             $this->registry->errorPage('Invalid request', 'You are not authorized to reject that request');
         }
     } else {
         $this->registry->errorPage('Please login', 'Please login to reject this connection');
     }
 }