[yeah, she's definitely not being polite about it, but at the same time... Why the hell is a kid here?]
But even if I'm an idiot, I know a kid shouldn't be here in the first place. Teaching fighting? A brat like you shouldn't know the first thing about fighting.
[Not "doesn't", but "shouldn't". Kids shouldn't be here. Kids shouldn't have so much experience that they can teach others.]
no subject
[yeah, she's definitely not being polite about it, but at the same time... Why the hell is a kid here?]
But even if I'm an idiot, I know a kid shouldn't be here in the first place. Teaching fighting? A brat like you shouldn't know the first thing about fighting.
[Not "doesn't", but "shouldn't". Kids shouldn't be here. Kids shouldn't have so much experience that they can teach others.]