Alec found himself relaxing very slightly as Molly spoke, listening to the lilting accent he spoke with, watching the look on his face. He looked amused, maybe. Definitely entertained. Alec could feel his shoulders coming down a little, his jaw unclenching.
At least until the offer about defiling was dropped. Alec's eyes widened. Even Magnus didn't flirt that boldly, and up until about four seconds ago, Alec had been sure that Magnus was the flirtiest person he knew.
"I," he started and gave a nervous laugh, his head ducking slightly, and he shifted his weight from one foot to the other, nervously. "Wow," he said finally, working so hard to get his deadpan back because part of him feared he'd start stammering or something, very nervous and out of his depths about this kind of thing.
There was something in him that was very, very flattered. And intrigued, despite all that apprehension. He realized he hadn't said anything, and he quickly found his footing again.
"I bet you say that to all the..." he started, but he wasn't entirely sure how to describe himself. "Guys," he finished, weakly, and took a drink before he could continue. The angel help him.