How does one become a prostitute?
A flat in a block in a suburb of London: Karen (not her real name) thinks her neighbours probably realise she sells sex for a living. A few years earlier, Karen had left an unhappy marriage and began using internet chat rooms to meet men. “I started going on blind dates and it slowly started to evolve into having sex with strangers,” she says. It wasn’t such a huge leap, she says, into charging for what she was giving anyway. “I had a bad month, financially, as I invariably would, and it started as a trickle.