"I kennit." Bert shrugged, scraping his hair off his face with both hands. "You're here. He's out there. You're both just stubborn enough and just blind enough to let it stay that way. And that's not fair. I'm supposed to be the stubbornly blind one around here." And just like that, the humour was back, light and cheery; he pulled a face, laced his hands back behind his head, and rolled his eyes. "So, you kennit. That's my reason."