how to ascend mandible?

[thedihboi114]

i have a recessed mandible and i am wondering if puberty fixes it. i also have a double chin but im not even fat, i am 5,8 and weigh 155 pounds. also what can i do at 13 to fix my mandible and hyoid to go up to fix my double chin.

 

[the foid stalker]

holy buzzwords