There are people who are just not cut out to be solo divers anymore than they are to be combat military, firemen, cops, emergency personnel or fighter pilots. No amount of training is going to make them one, they may know all the answers and still fail the test. My wife does not dive and for good reason, she panics. I don't think I could trust her to put out a grease fire on the grill. I do not panic. I know from experience and intellectually that panic is the quickest route to the grave. That is not to say that I have not felt the fear, it is just that I'm good at choking it back. You can run faster standing straight up than you can crouched to be a smaller target, but you are in the kill zone longer. So you figure the odds and use your discipline. That is the kind of mindset you need. That way, once you get most of the answers you will pass the test.
There was a fireman that brought up the question of getting published information about solo diving, which is a good thing. He might have run across some scenarios he did not think of. Almost immediately, people started telling him solo was a bad idea. Some told him he needed to be trained first. He had the one thing that he needed first... A demonstrated ability to work through a life threatening situation without panic or letting fear get in the way. I think he may be smart enough to cover the information, get the gear he needs and work out some scenarios to insure he has the ability to get through it. The more he dives solo the better he will get by tricking his gear, setting the limitations and planning for the eventualities.
