Leo, how old are you? Do you understand the term "critical thinking"? I'm not trying to be mean... I just don't get how you don't understand: you can believe or disbelieve just about anything. The only thing that makes one an atheist is his or her lack of a belief in deities.
Can I ask: how did you "decide" to be an atheist?
Can I ask: how did you "decide" to be an atheist?