[ The young man huffs, and then he says, a little under his breath but definitely nowhere near quiet enough for it to actually be inaudible: ]

One of those lone wolf types.. [ He sure doesn't make it sound like a good thing. There's definitely exasperation in the way Fabian says it.

A moment later he raises his voice again, speaking at full volume when he adds: ]

Still, you could at least show some respect towards other people! You can't treat someone as if they are a ghost of all things!