Lila is three years old. She has a dark charcoal grey iris ring that you can't see unless you zoom with a camera. It's my avatar. That may be why she looks younger if you know she is older. I have found from researching and asking owners that some of them just do that even though it is not part of their mutation. I can't account for why she has never come into season. Although I will say Cindy Loo Who is just starting to get a bit of brown and is somewhere from 10 months to a year.