Bruce Wayne swore he was great at knowing literally everything about his children. He learned everything from their sleeping habits to how much they ate. And if they didn't live in the manor he would make sure that everything was up to code and standards of living which is why he kept making Jason come live at the manor because falling apart safe houses was not proper living. Then that notion was proved wrong when Tim told him he was bisexual and dating a guy. Which leads him to his next mission figuring out what his children's sexuality are