The longer things went on, the less certain it might have felt - if he hadn't been abducted, anyway. They'd loved each other, sure, but they didn't talk about it. They messed around, but she didn't always stay the night. Maybe the baby would have changed that; he's sure she wouldn't have waited to tell him. But if it hadn't -

It doesn't actually matter, this theoretical world that never was. He'd been taken and tortured for samples, and she'd been tortured, too, if in a different way. That time will never come back, and he might always regret it, but they're here now. And

"Well," he points out, tapping his fingers idly on her belly, "you have plenty of time now. Anything you want to get off your chest, Scully?"