Also for an age comparison thing, I used to teach a children's choir and viewed the children as basically infants (they were mostly 8-year-olds, the oldest was 11 and the youngest was 3), and a couple of years ago one of them contacted me to ask how to register to vote - I was younger than Shiro is in canon and my reaction was FAR from "oh you're 18, you're legal now" and more along the lines of "holy FUCK when did this BABY become legally an adult" and I think that's how Shiro views Keith
LASfmnsanbfusfs that’s totally how shiro views keith, he probably still looks at him and thinks he’s 16 (or maybe even younger since we don’t know exactly how long they’ve known each other) and gets so fucking confused when keith is like hey shiro, i’m 18 now so that means i can buy all the knives i want when we get back to earth and you can’t stop me…. shiro’s just like
WHAT????? you???? my baby bro??? a legal adult???? how long was i gone THIS time????