My Girlfriend Has Not Huge But Oversized Areolas,I Wonder If theyll Get Smaller?

soo my girlfriend is 15yrs-old and she has oversized aroules,thought is not a prob,it would still be better if they were smaller,sooo i wonder if its bcux of hormonse and they get smaller later on when she developes,or are they stayin like forever,but i can do somethin about it or can she do somethin about it or what?