Sex Talk

How many other people can say that a perfect stranger has got into their car and within five minutes ends up talking explicitly about sex? 
This happened to me on a dull wet morning recently,the passenger was a perfectly respectable middle aged lady who some how got on to the subject of how young people are too open about sex and that people of her generation just don’t talk about it.
But she then went on to mention prostitutes, transsexuals, gays and extra marital affairs, all within a short ten minute journey. I don't suppose she would do the same with a bus driver or a shopkeeper but with us cabdrivers it seems anything goes.
I used to find it strange but nowadays nothing surprises me eh!