Why I believe God exists (God in general not why i'm christian)

Note: This will be a short explanation of why I believe in god its not gonna be that deep.

    The first law of thermodynamics states that energy cannot be created or destroyed. For the big bang to be true (I believe it is) then it has to break that law by saying that there was nothing and then suddenly everything. This option creates a problem for atheists as there is no logical way (without god) to explain the universe having a beginning out of nothing. Now some atheists and scientists propose a theory known as the "big bounce" which states that the universe is eternal with it expanding and then collapsing back into an infinitely small point and then bouncing back out. Now this again creates a problem for many atheists as they will say "If God created everything then who created God?" But whilst denying the existence of a creator that is uncreated as contradicting logic they accept the idea of a universe that is uncreated. Nothing in the natural world that we can observe was not kickstarted by an outside force. Most people will agree on this but where the atheists differ is that they make the assumption that the universe doesn't follow as such. For the universe to have an after is for the universe to have a before. 

     In conclusion I believe in God because from what I understand at this moment that is the most logical conclusion we can make about the universe.