Residents in London reported seeing a man wearing a cardboard with the words “I cheated on my girlfriend on Thursday and this is my punishment” written on it.
He was spotted at Euston, Liverpool, and Waterloo, according to witnesses.
People have expressed their opinions about the man and his girlfriend as a result of his actions, with many claiming that the girlfriend does not love him.
Others, on the other hand, believe he was taking part in a sociological experiment or a campaign.
See the list below.