It's nothing to do with your friend. Of course none of us can tell if the people we are chatting with are genuine, or fronts, or what - but it's good fun, you learn a lot, and as long as it doesn't become your only contact with other people, there's no harm in it. A site like this which offers anonymity can be useful too, in that your own family and friends can be judgemental - people on here can be too, but they don't know you so are more likely to offer honest opions. You tell him to go whistle....