Bruce and Talia didn't even meet until Dick was in college (that one's written in stone), and Damian wasn't conceived until they'd met several times. There's no way he was conceived 10 years ago, and I'm not willing to turn off my brain and bend over backwards for such an awful character.
Of course, even if he WAS ten? Even if he was ten, that putrid little polymath superninja prepubescent abomination would still make me so angry that I - hello, what's this red ring?
[["BATCOOKIES OF 2814 YOU HAVE GREAT RAGE IN YOUR HEART WELCOME TO THE RED LANTERN CORPS"]]