It isn ' t confirmation bias unless he holds onto that explanation in the face of contradictory evidence . Otherwise he just has an unconfirmed hypothesis . <| sep |> They will be fine . You have nothing to worry about in the slightest . If you want to coax them into engaging with you go out and buy one of those cat toys with the rod and the toys on a string . Laser pointers are also great . I highly suggest one of the automatic laser toys . Turn it on in the middle of the room and wait for them to come . The frolicat Dart is a good one . They will come around . Source Guy with 4 cats . correction guy with wife who has 4 cats <| sep |> Exactly , although I ' d much prefer a second wheel with more options <| sep |> Warriors put up 80 in a half .