Keep doing it.

That look on their faces, the glint in the eye… when they talk about what they are passionate about.

It could be any damn thing – nothing is big or small. The thing you are passionate about is the biggest in your universe. Others may not get it, not your concern. Don`t even bother explaining it. If it’s making you any money or not, who gives a damn, it feeds your soul right… that’s all that counts.