First off well done on those two weeks and making the decision to not repeat the same mistakes you’ve made before!
It is SO normal to be worried about situations where others will be drinking. It is hard to fathom how you will get through the things that alcohol has always been tied up with.
There are lots of threads with advice on how to handle these kind of situations, e.g.
It is also totally normal to want all the answers right away and to want a feeling of certainty over the futurw. But like @SinceIAwoke says, that’s a way off yet. And nothing is certain! Just focus on each day as it comes and with whatever else comes up in the meantime 