That might mean you are on the right track.
"The more important a call or action is to our soul's evolution, the more Resistance we will feel toward pursuing it." So says Steven Pressfield. That is the same for your lifelong dream of learning to play the trombone as it is for starting a business.
If you don't know what "the Resistance" means, you MUST read his book The War of Art. You can order it from Amazon for about $9.00, or you can read the Kindle version on your computer for $4.00. It might change your life. (The War of Art: Break Through the Blocks and Win Your Inner Creative Battles)