How do people with white teeth drink coffee or tea?

https://lemmy.world/post/20841945

How do people with white-looking teeth drink coffee or tea? - Lemmy.World

Or do they???!!!

I know of at least two people who drink coffee, tea and red wine with a straw.
I have a few friends who do that also. For me though, no straws except for red wine but only on particularly bad days…