Wine contains tannins, a natural substance incorporated into grape dermal.
Just as you discover licorice, leather, etc aromas as well, your wine is developing. With this basic bookkeeping over, it's time actually taste the vino. https://Obedient-Dolphin-Kvlkb7.Mystrikingly.com/blog/the-attractiveness-of-red-wine-a-beginner-s-guide