You can totally do this.
You have an idea. A dream. A goal. And when you think about it, you feel a heady connection of excitement and nerves and "Oh! Wouldn't it be brilliant if!" and joy! All the joy! All the butterflies! All the woohoos! All the running around your house whooping like a deranged monkey in just your pants! All the waheys! All the glee! All the enthusiasm! All the exhilaration! And then you talk yourself out of it. Ugh. You pull the handbrake. You get scared. You start making excuses. You hesitate. You think you can't do it. You believe there's no way it's actually going to be possible..... Well. [...]