For stronger alcohol content drinks they get "legs", but most normal ABV beers wouldn't have any visual indication. Next brew you can use a hydrometer during and after brewing to you can actually determine the alcohol content of what you've created
second guessing flavor though, that's all up to you!
Drinking: Terrible 2.9 Oatmeal stout, Ninkasi Oatis clone, Orfy's MMA
Bottle conditioning: De Belge Farmhouse IPA
Primaries: How Rye Am I? Saison, FBS Clone, Apfelwein