A cat purring on your lap is more healing than any drug in the world, as the vibrations you are receiving are of pure love and contentment. Francis of Assisi. Who knows if he really said this, but I like the quote anyway.
Therefore, it will matt should youn't groom them regularly. It may happen for assorted factors. It is also contingent on if it's one-ply or two-ply. It isn't glamorous, it's not exciting and it's painful more often than not.