How long does it tak till you acually become a prober fashion desinger how many years ?(more info when pressed?

some one please help i am 13 and i wont to be a fashion desginer when im older what will i have to do and that please help like will i have to druw and then make my out fit and will i acaully have to make my own prodgect and will i have to make it 1ns then thats it please help me and tell me everythink about it if u can or at least what you no ?xxxx