What NOT to do during the TWW

So I'm going in a vacation & my TWW started few days ago, it's my honeymoon vacation & we been planning for this since we got married 2 years ago, we didn't have the finances for it & wanted to make it real special, anyways it's a beach vacation & lots of activities, do you think I can drink? Should I act normal or be careful? What I should be careful from anyways ?