wat im saying is, it'd be best if he goes alone. independence.
since he has proper documentations already.
however, if his parents are more aware of his condition, then sure,
go ahead. and, for pete's sake. how likely is he going to listen to
advises from strangers in the forum anyway?
his mind is already made up!
in addition, the reply was more for those who say, and imply that,
the SAF Psychiatrists will mistreat him, or treat him as an NSF and show
less professionalism and
all that nonsense. 
since u r also making a big deal out of nothing, lets make a big
deal out of nothing together. 