Chewing on rubber bands is bad. Bad Calamari and rubber bands have a lot in common. One plus means I couldn't tell the difference. Five pluses means it melted in my mouth. Garden variety marinara sauce is dull.
Unique sauces are good.
One plus means garden variety off the shelf marinara sauce. Two pluses is often good marinara. Five is a house made special sauce. One plus means my cat wouldn't be happy with that portion. Five means I could choke a cow.