Your comment makes me realise that better (than any of the examples) IMO would be to say I do know how you'll take it, you won't like it. You're not going

Your comment makes me realise that better (than any of the examples) IMO would be to say I do know how you'll take it, you won't like it. You're not going to like this, but Bad news - 'I need to tell you something' [if you really must, but come on...] you're not going to like are all better than: I don't know how you're going to take this (do you know me/how crappy the news is or not?) and a million miles better than: I am anxious you are going to take what I have to say poorly [or similar] (making it about you.)