"It's me." Simon shrugs, still very shaken. He's given up the pretense of being normal with Effy; he knows she's fae and he knows that because she's fae she can tell he's not exactly a regular guy. "Shitty video of it, but it's definitely me. I don't know how this person took it. Since I have to be naked when I change--" and that's definitely on display here; one of the few clear shots in the video is of his extremely pale ass "--I tend to avoid crowded places. And, you know, the whole Statute of Secrecy bit. Can't have humans go around recording shapeshifters transforming."

It sounds ridiculous. It is ridiculous.

"I'm a Guardian. If I break the rules it makes the Night Council look bad, and the last thing they want to do is look bad." He's bound by magic not to talk about the stony consequences for extreme rule-breaking, so that's the best he can imply.