These words are rich and this is the one that spoke to me the most:

Sex won’t make him stay, won’t make you the best woman in the world neither will abstaining make him love you more or stay as well, Hence, just be yourself.

I've always believed that if you must have sex in a relationship, let it be because you want it and not because you're being pressured or because you're scared of losing him.

That way, if the relationship ends, you leave without the thought you were used and dumped.