I don't. My point is that red eyes does not mean he is stoned. I am working the graveyard shift, my eyes may be red when I get woken up early at 6PM.
I have sensitive eyes. I can eat some popcorn at night and wake up with bloodshot eyes from the salt in the popcorn. A girl I used to work with swore I was a stoner (mostly jokingly to my face...lol...but she did believe it) on mornings after I would eat salty food. But no, it was the salt.