When the older man responded, he seemed to have no concern for having been observed. Well, maybe it wasn't rude where he came from--there were so many cultures and worlds represented here that Frey had little hope of learning the etiquette of each. It made his diplomat side quite unhappy to realise that, but at the same time all he could do was move on past the faux-pas and try to reclaim some sort of dignity. "Ah, no. Nothing of concern. I apologise for disturbing you. I was not intending to go anywhere in particular--I've no familiarity with anything in this library, so no real goal, either."