Don't dunk your nigiri in the soy sauce. Don't mix your wasabi in the soy sauce. If the rice is good, complement your sushi chef on the rice.
If I could only have one type of food with me, I would bring soy sauce. The reason being that if I have soy sauce, I can flavor a lot of things.
If there are fresh-baked chocolate chip cookies on the table, I won't say no to those. Soy sauce is another one, even though it's awful - it's so high in sodium.
I buy soy sauce and flavor it five different ways: with sake, mirin, sugar, kombu and bonito flakes. I use them on lots of dishes at home.
Soy sauce is really a multi-purpose seasoning.
