Having fun can also lead to addiction; some people get a huge burst of pleasure from drinking—an endorphin rush. As your brain gets tolerant to the increased levels of GABA, it’s also becoming sensitized to the increased dopamine and endorphins. In this case, the more you drink, the bigger the buzz you get. One of the reasons people who respond like this lose control over their drinking is that as the buzz increases, they drink more. Their dopamine system gets turned on, so they continue to seek and desire alcohol and enjoy it
