Teething

As you can see in the picture, Walter is teething - on everything.  Do you see his toy on the rug behind him?  There's a hole where Walter chewed it, eventually getting the ball free from the toy.  He chewed off two legs from the toy.  He chewed holes in his bed, and stuffing is strewn all over the floor.  One of my slippers fell on the floor, and of course, he chewed on that, too.  He tries to chew on your hand, if you let him...