Try also to separate your habits from the condition that helped you develop them. Your ADD isn’t you in the sense that you’re defined by it. But you did grow the way you did, with that strong influence.
You also may have developed habits based on the fact that you can reach your nose with your index finger. You’re not your arm, you’re not a nose picker. You’re the one that picks your nose because you found out that can, and you found a use for it? 