[ He's just going to strategically ignore that first part, because he has no idea how to react to that. Somehow he gets the feeling that if he explains that he doesn't believe in anything he can't quantify, this conversation is going to get seriously waylaid, so he'll concentrate on the other bit instead. ]

... I'm trying to work, you know... seeing if there are ayakashi doing this. Purging them if necessary. What are you doing?