I'm sure the exam will go ok ... you've done the work so why shouldn't it 

 - stop worrying ..  

I'm sure the navy won't throw you out ... they've sent you on a course.. they wouldn't do that just to throw you out ....  stop worrying ... 

The miggy has a few minor hiccups that you have already proved you are well capable of sorting with time and a little help ... stop worrying ... 

"Little One" is just doing what all ankle snappers do... playing Mum up while Dad's away ... ( just think what Dad goes through when you are away )...... as proved last night .. they all sleep eventually, just a matter of tiring them out sufficiently ... I used to take mine to the play park for an hour 1800-1900, wear em out and then they would sleep ... so ... stop worrying ....  

Detect a common thread here ??  ..  

Take care and good luck with the exam .. not that you need it .. 
  
 