It's disgusting to pick your nose in public.
Tom has a very stuffy nose in public, around pedestrians, after being around allergies today.
Tom wants to get the boogers out of his nose.
Tom finds a tissue and blows his nose in the tissue.
Tom decides to pick his nose in public to remove the boogers.
The pedestrians aren't disgusted by Tom and Tom is able to go about his day without negative judgement.
The pedestrians show signs of disgust and Tom tries to hide.