If your boyfriend or your friend calls you exquisite, he only means that you are beautiful and excellent. Exquisite can also be used to refer to something that is stunning, elegant and of high delicacy.
he is highly respectful of how you card for yourself and how you represent yourself. and likes you. be sure to always take this care around him or he will lose interest or feel betrayed that you were only doing it to get his attention and catch him.