Why, indeed? There was no reason she ought to have opened the window even as much as she had, under the circumstances. He didn't have any good explanation to offer, except for the truth, which was going to sound absurd. He'd gone through a whole mess of a day making his way here to tell her, though, so he supposed he'd better just come out with it. These circumstances may even have been marginally more favorable than if he'd broken in and had to go wake her up from their bedroom, actually, much as he wasn't fond of having her wand leveled at him when he was defenseless.
"Alright, so I know you won't believe this. At least not at first," he said, hands raised. "But it's — I'm Alfred. And I have no idea what's going on, but I've been trying to get here to see you all day."
"Alright, so I know you won't believe this. At least not at first," he said, hands raised. "But it's — I'm Alfred. And I have no idea what's going on, but I've been trying to get here to see you all day."

MJ made the most Alfredy of sets and then two years later she made it EVEN BETTER