You instinctively know that you need to focus. Meanwhile, follow-the-rabbit syndrome continues to present new and exciting distractions. The cartoon snake with the eyes has been sent to hypnotise you. You're tricked into believing that it's possible to focus on more than one thing. That it's okay to back more than one horse.
So there you have it. Rabbits, snakes and horses all in the first paragraph. I'm already confused. Confusion is part of the problem. Everyone you speak to will be confused about what you're about, what you're trying to achieve and more importantly you'll confuse yourself.
The real reason you want more than one project on the go is probably fear. James Corden said in his recent interview with John Bishop that he never had a plan B because that would be like admitting that plan A was destined to fail.
1. Y-axis: How much does it excite you to do this every day?
2. X-axis: How close are you to being able to begin?
Notice the results you get. And notice how it feels. What gets measured gets done.
Leave rabbit hunting to Elmer Fudd. Better to execute one idea with everything you have, than do a half-arsed job on a few.