Worried for your safety

velocity boy The black snot is the dirt and grime that you breathe in travelling underground, not the stuff that you breathe in when you're on the streets above.

My girlfriend pointed that out to me when she blew her knows and told me to do the same. I'd not used the tube at all because I walked from King's Cross to my hotel with a mate who I met at the station. I shall have to tell her that. She was using it as a reason not to live in London. Pah!