For instance it is not a good idea to call the date at work.
Usually there is a good reason that the man has not called - mainly that he does not care to see you again.
In the case of both sexes, it is not advised that you call right the next morning but leave it until the following night or even the next day.
Dating gurus advise making the partner wait three days, in order to establish a kind of formality and courtesy in the relationship that is not over-familiar.
This is also recommended as a technique for men to make women angst over their future with him and therefore, apparently, cause her to want that second date even more.
Without the personal contact, these kinds of gifts start to feel like stalking to the other party.When on the phone, show a moderate amount of enthusiasm for the events of the previous night.