He had to admit that her words had a certain logic to them; now they did know, indeed. But this wasn't the way he would have chosen to test that particular hypothesis, and what if something had happened? ... were things he definitely didn't say to Annette, who wouldn't have cared, probably.
Well, he supposed that if he'd been fighting it and able to hold it off as long as Annette did, maybe he'd be more confident too. He doubted she was worried about being ambushed and dying on the spot, at least.