How can you spend an entire chapter bitching about wanting pizza, but when the time comes to order you don't have anything more than "cheeze pizza" ? The fuck ? A pizza with cheese ? How does that help ordering ? That's like, 99% of pizzas ! And surely, nobody that passionate about pizza would go for a super basic tomato and cheese one ?
Also, onee-san boasting about having her shit in order is totally faking it. He's going to think that's just her being her. At his age he doesn't suspect yet that it's the case for most !