The romance wears off fast once the ideas are in place and the tedium sets in. The fun brainstorming and dreaming parts amount to about 1-2% of the project, then you actually have to build, draw, tweak, and fix the damn thing.
i just wanted to stress that gamedev is anything but "lets do this great idea" and then magically it's done. it is a ton of work and you gotta celebrate those small steps.