Don't ask people to prove a negative when it comes to religion. It's counterproductive.
Either way, if a god exists as described in the Bible, Torah or Quran, then he is a fucking dick. You'd be better off living on your own moral code than on his set of rules.
Modern religion has twisted those books into being acceptable in our modern society, but we cherry pick to make it so. So, is it the word of god or not? And if it's the word of god, you should not alter it to fit your needs. If it's not the word of god, thus allowing you to cherry pick, then why do you use it to justify your bullshit?
It should be obvious that by and large, your religion is chosen by the environment you grow up in. That simple fact should already be clear to you. If you were born in the middle east, Allah would be the one true god. If all other religions are so obviously wrong to you, what makes your own snowflake religion more real than theirs?