AZ, you have a point and maybe I should rephrase. Don't bring it up unless he does. What I meant by treating him like a normal person is don't treat him like a sick child. I've seen it happen several times. Everyone kept asking the "can I get you something, or do something for you" type questions. You are right about taking cues from him, but unless he feels like discussing it, just talk to him like nothing is wrong.

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"BOY: On a hot summer night, would you offer your throat to the wolf with the red roses? GIRL: Will he offer me his mouth? BOY: Yes. GIRL: Will he offer me his teeth? BOY: Yes. GIRL: Will he offer me his jaws? BOY: Yes. GIRL: Will he offer me his hunger? BOY: Yes. GIRL: Again, will he offer me his hunger? BOY: Yes! GIRL: Yes. BOY: On a hot summer night, would you offer your throat to the wolf with the red roses? GIRL: Yes. BOY: I bet you say that to all the boys!" -Meatloaf