"Which is where I was headed." The before I ran into you is unspoken but obviously heavily implied given he's still standing before the young man.

"I was alone upon arriving on the ship, and I haven't seen anyone beyond you since I left it." Yes, he could read the unspoken query, but beyond the answer he'd already given, the less said concerning Varian the better. That way he wouldn't be forced to continue dancing around his fate and it gave him less chance to accidentally say something what would lead the prince to deducing it himself.

"How long have you been here? And the healer's place is said to be in that direction." He gestured in the proper direction, requesting without words that they both head that way, given he didn't want to let Anduin out of sight currently and the fact he did need to get to them before whatever poison was blackening the skin around the injury did worse than merely destroy the skin and render him weak.