Some Get Addicted and Other's Don't! Why?

Have you ever wondered why some people can drink two beers and not drink again for months on in and with other people if they take a drink they won't be able to stop; even to the point of drinks for days or weeks. What makes them drink so incessantly? Especially since more than likely they are experiencing negative consequences (i.e. legal or relationship trouble) from their constant drinking. Have you ever asked a person with addiction "How can you love that drug or alcohol more than your family"?

Take a look at the video to help answer these questions