Ask him the general question: yes

Act suprised when (if) he mentions it: no

If he doesnt mention it, then he isnt ready to talk about it, and may never be ready.

If he does talk about it, it is most likely a sign that he wants to talk about it. BUT, dont drag information out of him, just comfort him. And if it was me, I know I would want to talk about it - even if it made me bust out crying - Just comfort him when he cries (if he does) and just be there for him. Thats all you can do. Thats all he will want.

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Yeah... That's right.

-Billy