Now that, young man, is what tillering should be. When you feel like you aren't getting anywhere, go back and look at the pics of the first two bows as a reminder.
Shoot that thing at every opportunity between now and deer season, every size target at ever range and from every single position you can imagine. Nothing like building up your arms and confidence at the same time.
Now I got a serious question for you. What are you gonna call yourself here next year?