Dexter told Delilah that she has been spending too much time running about the house like a Tasmanian Devil and not enough time building up her brain muscles. His advice to her is to take up Scrabble like he has. Not only is the game very stimulating, the game board is especially comfortable too.
Picking up those tiny letter tiles with your teeth is not the easiest thing to do, but the reaction of Mom and Dad when he does it is worth the effort. He is hoping to get a cat language dictionary for Christmas next year. Not because he needs it, but he needs a way to prove to his teammates that "mioooow" , "hssss" and "phftt" are indeed actual cat words.
He is thinking of taking up Sodoku soon as well.