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Taking up two seats.
Leaning on the pole.
Eating food with pungent odors.
Sex on the subway.
Train riders often encounter some outrageous and odd behavior.
To document some of his own travels, Eddie Going started a website about two years ago called GoingWithEddie.com.
Other riders send him pictures through Instagram and Twitter and he has become somewhat of an enforcer of the rules of conduct.
Some riders in the New York City subway consider this proper behavior during the annual No Pants Subway Ride. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes (without pants) and keep a straight face. (Photo credit TIMOTHY A. CLARY/AFP/Getty Images)