The only important thing to understand about cheese, also the most complicated thing to learn, is how to properly cut it.
I have to cut the cheese for my wife during family gatherings, because I know she will massacre the poor thing and everyone at the table will silently judge her.
There is an untold etiquette to follow while cutting cheese, and the method is different depending on the cheese type and shape.
Instructions here in French: couper le fromage - Karambolage - ARTE / youtube.com
Instructions here in German: Wie schneidet man französischen Käse? | Karambolage | ARTE / youtube.com