possible tuberous breasts?

hi, i am 17f and have concerns about my breast development and shape that have caused me to be painfully insecure. my chest started developing around 11 years old, and started with just firm lumps under my nipples. overall, my breast development has been fairly slow. now i am 17, and i am absolutely unsatisfied with my breasts. i have very little underboob, they are quite conically shaped and have very big puffy areolas in comparison to the size of the actual breast. i always just assumed i had small pointy breasts, but after researching tuberous breasts i found out that breast tissue actually can herniate through the nipple causing them to be puffy, and after examining my breasts i do see that if they had formed a more rounder, natural shape, they could possible be b-c cups (if the breast tissue had distributed normally). this isn’t just an aesthetics issue but also affects my self esteem. when me and my boyfriend - also 17, become intimate, i can never take off my shirt. we have been together since we were 14, and i know that no matter what he would love me for how i am and has reassured me many times that he will like my boobs and he thinks i am perfect. but i still cannot bring myself to show him because of how ugly they are. especially soft. i have briefly shown him when my nipples are hard because my boobs appear more rounder and firm with a smaller areola, however this makes them look smaller in size. if anyone can give me any tips, reassurance or guidance i’d really really appreciate it. this has taken a massive toll on my self image.

thank you