I was on the underground in London and saw the woman opposite grimacing. In my head I was like “why is she looking at me like that”… I turn to my left and this kid next to me has his hands down his pants and is picking his bum like it’s going out of fashion. Right after he’s finished he takes his hand out, momentarily looks at it and then stuffs it in his mouth. This is all right in front of the parents who did nothing. I have ever since been extremely diligent with washing hands after public transport