7 1/2 habits: The hardest for me is #3 - View Problems as Challenges. When learning new technology I think of how much time it's taking and wonder about the efficiency. The problems eat up a lot of time.
The easiest for me is #1 - Begin with the end in mind. That can help me with #3 when I get frustrated. I need to know that the learning process will have an outcome that is productive and will eventually be fun.