my big brother the psychopath

this is your story!.. No really it is! your brother is handsome jack and he has raised you since he was 18 and you were 5 and very soon a massive thing will tear you two apart... his descent into vengeful madness against the vault hunters.
initialisms:
y/n ~ your first name
y/l/n ~ your last name
f/c ~ fav colour
f/p~ fav character from borderlands (not including jack, angel or an OC)
b/f/n ~ best friend first name
a/n ~ annoying nickname (this will only tend to be used by Jack and maybe your best friend)