Yes, suicide is a possibility, but by no means the only possible cause of this tragedy.
Yes. There are other possible causes
in such a case. But not in
this case. The blackbox 2 has been recovered. Then you will learn:
Denial -> you are still here
Anger
Bargaining
Depression
Acceptance
Most of us have analyzed all data released and have accepted the hard and cold truth: suicide. And it will change the industry. And that is what Lubitz has told to his girlfriend.