The Doctor flinches away from the words, drawing a little deeper into his own mind, and hates himself for it, stopping the mental cringe that follows a moment later as the Master goes charging through his consciousness. –like he owns the place–

You never listen, he murmurs back to the other's bewildered question, and there’s almost a sort of exasperated fondness there. No, you have to make me show you…

He guides the Master’s attention to the moment of his own arrival, lets the other feel his own confusion, –disorientation, even fear– as he slowly recognized the strange place for what it is. He doesn’t linger after the questioning –too many faces, vulnerable already for their acquaintance with him– but ushers the Master forward in his memories to his exploration of the park and then finally to the awkward stare down with the void. –possibly with a capital ‘V’, he hasn’t quite decided–