I think verbal communication is one of the least effective methods we have - but we use it in all our dealings with each other, which means relationships are minefields of misunderstanding.
A major problem is the differences in the giving and receiving of signals.
My motto as a single man was always simple - if a woman wishes you to 'make a move', she will let you know, and if she doesn't, then save your dignity, she is not interested.
Men tend to 'put' signals in place from a woman, even if they are not there! If they are attracted to a woman, they think she is equally attratced, even if her lack of signals indicate something different, a man will simply see what he wants to see.
And that's before they even get together!
So yes, i think reading relationships takes pracrtise, time, and experience, and men are guilty of wishing to put none of these aspects in place.
It's a wonder anyone gets together!