It's really good to "hear" the enthusiasm in your post. Sounds like you got into the right school. "Bunkai" is a word that I hope that you become familiar w/ within the next few months. For now, keep trying to perfect the "moves".
Karate is a life-long search for perfection. If you look @ it in this way, you'll be able to keep going, even when you feel burned-out.
Keep reading, asking & contributing to this forum. Welcome.
"Never forget the spirit of first beginnings" - Kenwa Mabuni