[@Blackbeard]It's all good, and no worries! 

Just note, he may be a Psyker, but I'd imagine that - should you wish to, of course - reading her mind would only confirm her chosen identity; I like to think she'd have a 'mind within a mind' so to speak, her outer mind being completely as Sister of Battle, while the inner mind is her own.

...or she could always just kill you. :P