I'm an atheist.
I'm not an atheist because its cool,
Im not an atheist because of religious oppression in some depraved corner of the world,
I'm not an atheist because I don't think evil can exist in a world with a God,
I'm not an atheist because I think science can disprove God.
I'm an atheist because of one simple fact:
The burden of proof lies on religion. If you propose the existence of something, you must follow the scientific method in you're defense of its existence. Otherwise I have no reason to listen to you.