Forge's face hardened. Xavier had crossed a line; apparently he was under the impression that anything going on in someone's head was open topic for discussion. Once, a pissed off Forge could make someone's blood run cold. It had been a long time since he'd had to teach anyone a lesson, but he still wasn't something to laugh at.
"Listen, old man, you don't know anything about 'my kind'. Sitting here in your fucking mansion while 'my kind' live like rats on reservations. Just because we have this one thing in common doesn't mean we're suddenly blood brothers."