code: public function checkAdminDisable($varValue, Contao\DataContainer $dc)
  	{
  		if ($varValue == 1 && $this->User->id == $dc->id)
  		{
  			$varValue = '';
  		}
  
  		return $varValue;
  	}
docs: Prevent administrators from disabling their own account
  
  @param mixed                $varValue
  @param Contao\DataContainer $dc
  
  @return mixed