Tuna time

“He’s on vigil,” my husband, Peter, said, watching our cat, Felix. Peter, who never had a cat before Felix, has become the resident cat expert. Of course, he has a sample size of one, so all his generalizations about cats are based on Felix. I had quite a few cats before Felix, so I feel in a better position to say what kind of cat Felix is. Felix is a lively cat -- he is the most playful adult ca…