[It's the air of brooding teen, it draws people in like moths to a flame...

But that reaction is definitely earning him a laugh, even though there's nothing malicious about it and he raises his hands immediately after to indicate he doesn't mean any harm. He doesn't even seem remotely off-put by that irritation!]

Ah, I didn't mean to startle you. I just thought I should tell you that you might want to consider leaving your headphones off or turning the volume down. I could hear it back there, and diminishing your sense of hearing in a new location isn't the best idea, right?