docs: def message(self, message, thread_id=None):
          """Message the user associated with this profile.
  
          :param message: The message to send to this user.
          :param thread_id: The id of the thread to respond to, if any.
          """
          return_value = helpers.Messager(self._session).send(
              self.username, message, self.authcode, thread_id
          )
          self.refresh(reload=False)
          return return_value