Are the mentioned actions—such as going to the library for a minute then meeting girls, or studying a little with a girl then disappearing for hours, or taking the father’s car under a certain pretext and doing something else, or asking for a girl’s number despite knowing her beforehand, or going to the university under the pretext of meeting the secretary then meeting another girl—considered lying, or ta’rid (allusion/ambiguity), or a type of cunning and deception, especially since they have become a way of life, and is it permissible to do so Islamically, and is ta’rid supposed to be permissible only in permissible matters?