I started reading about ladyboys, mostly on how to differentiate them (list of indicators at http://www.bangkok.com/magazine/ladyboys.htm)

SB: How do you differentiate them at first sight? Did it ever happen to you that you thought you were flirting with a woman while....

Is it just as simple as going to the right bars where ladyboys are not allowed maybe?

What about the beard? Do they grow a beard after a few hours?