Caspian972

16 hours helps make the skills stick, as Nils.Dufva said, and will help you in the long run by helping you to remember the skill. So toughen up and deal with it for now.:) 

1. Topluluk
2. Feature Requests and General Site Feedback
3. Make mastery challenge available without waiting!

Good point!

1. Topluluk
2. Content Requests and Feedback
3. 1000