[No, he hasn't realized it yet and Jack better hope it stays that way. If he realizes he has actual love to protect him rather than just affection or lust he's going to use that as best he possibly can to protect himself here. Jack might have ruled out the shooting but he certainly hasn't.]
I'm in my right mind. I'm in the exact same mind you've always known me to be in. Just with one less secret hidden, that's all.