[Estinien furrows his brow, clearly not quite sure what Martin is upset about. Is he not allowed to be in the library? This is what he gets for talking to people, apparently.]

Defensive, aren't you?

[He lifts his shoulders.]

I've had a few encounters with the man myself, and found myself wondering the commonalities of his interest. Though, it seems I'm already doing a better job of not being 'harassed' than you are.