Having pre-marriage sex is actually up to individuals to
perceive and consider...
If your relationship is already reaching the stage of having mutual
trust and respect for each other, and having an understanding of
bringing the relationship to the next level of marriage, me don't
see any problem with that...
As mentioned, nowadays the younger generations don't perceive sex
and most of them tends to experience and experiment with it, some
even have accidents and regret over it...
My morning cents of thoughts..