short simple and they are going to ask questions that you haven't scripted answers for for things you don't think are important at all but those answers really really really matter
(one of the 1st questions my son asked was if he would have to use different soap somewhere...after assuring him he wouldn't...he had no other questions and didn't want to talk anymore)
don't force them to talk about it they have to process it their own way too and it will come out in crazy places in crazy ways (at McDonalds and Target, at supper and basketball practice) in fits and bursts
there will be no safeword because you have to answer those questions as honestly as you can when they ask them
and if you don't know, you better be honest about it because they need the truth wrapped in a comforter right now you need to protect them and be honest at the same time
being a parent is the most difficult gift in the world