How to flush zend_form to multiple entities - doctrine-orm

Question

I'm struggling with flushing my zend_form to 2 entities. In total I've 3 entities. User, Address and Country. Country is not interesting because it has standard values where only the ID come into Address. My add-action works good (only when I keep my address/country empty, it puts a new record in the database so I've to fix this). But my edit only flushes my latest bind. My edit-action:
/**
* Edit action for single user
*
* #return route zfcadmin/user/add
* #return route zfcadmin/user
* #return array(id, form, flashMessages)
*/
public function editAction()
{
$id = (int)$this->getEvent()->getRouteMatch()->getParam('id');
if (!$id) {
return $this->redirect()->toRoute('zfcadmin/user/', array('action' => 'add'));
}
//Get user with the id (given in URL), and pick his address(es)
$user = $this->getEntityManager()->find('User\Entity\User', $id);
$addresses = $user->addresses;
$form = new UserForm();
//Set country values out of the entity
$form = $this->fillCountrySelectbox($form);
$form->bind($user);
//Get addresses from the user, and bind it to the $form
foreach($addresses as $address) {
//If user has address, bind the addresses
if(isset($address)) {
$form->bind($address);
}
}
$form->get('save_goback')->setAttribute('value', 'Save');
$form->get('save')->setAttribute('value', 'Save & Stay');
$request = $this->getRequest();
if ($request->isPost()) {
//Set the inputfilter on the input values
$inputFilter = new InputFilter();
//Set filters from different entities
$inputFilter = $user->setFilters($inputFilter);
$inputFilter = $address->setFilters($inputFilter);
//Set the inputFilter on the form
$form->setInputFilter($inputFilter);
$form->setData($request->getPost());
if ($form->isValid()) {
$form->bindValues();
//set complete country object in address entity.
$country = $this->getEntityManager()->find('User\Entity\Country', $form->get('country')->getValue());
$address->__set('country', $country);
//Set country Null when no country was selected, otherwise it conflict with country entity (because no '' is set)
if($address->country == '') {
$address->country = NULL;
}
//Set modifier (current user)
$address->__set('last_modifier_id', $this->zfcUserAuthentication()->getIdentity()->getId());
$this->flashMessenger()->addMessage('User saved');
$this->getEntityManager()->flush();
if ($this->getRequest()->getPost('save_goback')) {
return $this->redirect()->toRoute('zfcadmin/user');
}
}
}
return array(
'id' => $id,
'form' => $form,
'flashMessages' => $this->flashMessenger()->getMessages()
);
}
When I not bind the address, it will flush to the user-entity, and when I bind the address, it flushes to address only, so my edits on the user won't work. How can I edit my form, with saving the user AND address?