FOR GIRLS ONLY

小小啦～可以話係５０％左右～其實胸部有幾大, 唔一定遺傳. 最主要取決於飲食方面, 有無做運動.
即係話點解喺外國嘅女仔 , 點解身栽普遍會豐滿啲，就係咁嘅原因.
唔洗咁擔心啦＾＾

Drink more Chocolate Milk, it works, but not toooo much! ;)

U have about 1/3 chance to heritate from her!
But u are still 13 years old, you are still growing, so don't be too worried about it.
U can drink more milk to improve your growing speed!

雖然我係男性, 但生理方面我都有啲經驗.

其實女性胸部有幾大, 唔一定遺傳. 最主要取決於飲食方面, 有無做運動.

即係話點解喺外國嘅女仔 , 點解身栽普遍會豐滿啲.....就係咁嘅原因.

一個多事嘅男人

有一半半啦, 但係你現在得13歲,仲有排發育呀, 不用擔心!
大細其實都不太重要者!