I don't have any problems imagining this is true, however, evolutionary biology and natural selection can only explain how we came to be this way, however it cannot explain how life came to be originally. In fact, you have just as much as burden defending your standpoint as I have. You say that I'm a believer, but you have to be just as much a believer when you choose to disregard the existence of a god.
But, yes, let's assume what you say is true. Then what?