I have the exact same problem. I am 35 years old, so we are close to the same age. I always have a million ideas of what I want to do....but doing it always ends up being a problem. I studied cultural anthropology in university...now I want to go back and get my PHd in either religion or archeology but the thought of actually doing it scares me to death. The other part of my personality wants to open a vintage clothing business (one of my passions) or start making and selling corsets and custom costumes like I used to years ago. But I can't make myself do it. I don't even make clothes for myself anymore. I have all these skills that I just don't use.

So I totally understand what you're going through. I have a million things I want to do but not enough drive or energy to do them.