new york times crossword

i have a certain addiction going these days...to the new york times crossword. NOT to the monday puzzle, which is, frankly, for the brainless...but starting tuesday, it gets more and more fun until friday, at which time the mental exertion quota goes higher and starts to weigh me down. by saturday, forget it, pure frustration and brain strain. but then comes the sunday puzzle, the most fun of all. WHY do i like this?? my husband can't understand it, and our sons are puzzled. the only people who do understand are other addicts. it's like a special society, the guilty imbibers. and everyone has their own particular useage behavior...