"No, I know. Tony isn't exactly the kind to earn any kind of sympathy from... well, anyone, actually," he admitted that much. Even if he liked Tony, he could admit to that much. But in this case, it was a little difficult to explain how both he and Tony didn't have the same memories they did. It'd be as impossible for her to accept it as it would be for Bruce to even begin considering the hypothesis that what he remembered might be the actual farce here.