You have already acquired one dependence on alcohol - to ease social functions - so there is a risk there. It is hard to say which way the weekend drinking will go, increase or diminish, but a current levels, you will eventually suffer mental and physical impacts that you won't like. It could take a decade or more, but eventually it will happen if you continue to drink.
For me, the real question is whether the drinking causes problems in my life and whether I alter my drinking patterns to prevent the problems from occurring. For me, the answer was no. I clearly saw the link between drinking and the many problems in my life, yet I still chose to drink. That is a serious problem.