hightmaxxing

my brothers 13 and he is 165cm tall he wanders a lot what can he do to max his highet so

i wanted to ask you he sleeps good but i dont really think his healty becouse of his skin(acne)

how do u think he can max his highet

also our mom is only 162cm tall but her brother is 191cm does it mean he will get our mom genes or maybe her taller brother