Answer:
If the debutante is your friend, the necklace symbolizes your desire for her not to ever forget you. You may want to start your message with "Happy birthday ___, i brought you this (gift her the gift and wait for her to open then continue talking). It`s a necklace, i mean for you to not ever forget about me, about our friendship. Im hoping that every time you put on that necklace, you will remember me and our times together. (continue your message and you may want to tell a funny or memorable story you would want to share).".
Explanation:
