Did you know your brain releases serotonin, similar to that of a drug addict when we speak about ideas. It's why people get addicted to talking about ideas versus following through with them. Dreaming up ideas feels as good as cocaine, in theory. That is to stay that brining our ideas to life can be gruelling. There will be red tape, there will be mistakes, there will be stress.
The second obstacle is Styana, a loss of interest or enthusiasm. When it hits, you feel like giving up. You wonder where the spark went, and whether you even liked it in the first place. Keep coming back to the why. Because doing this thing, is better than not doing it at all.