I didn´t really know where to but this but i´m looking for a website that has a lot of reading meterial about body language.. especially in the dadting field...
STK, you probablly have mild social anxiety, cause otherwise you can know all the theory perfectlly if you can't do practice with it.
A person with SA has problems controlling his body movements that betrade his shyness. I guess it will be hard to apply what you will read about flirting using body language.