[ssshherryy]

i am 5 ft 6 and nearly 15 and my brother is 1 year older than me and he,s 5 ft 7 and looks bigger than me.. i dont know what happened he had a bigger growth spurt than me why ? my brother is fat and i am skinny.. what shall i do to grow quicker and look bigger than him. ? can you give my and my brother estimated height please..