[She knows this song and dance and gives him that sweet smile that only a little sister could possess. Message received, bro.]

I was just about to say I wanted somethin' sweet. You're always looking out for me, oniichan.

[And then a second strawberry soda is picked up and put in the basket.]

I'll probably want two though. I can't really have just one usually...does this mean I get to pick out a drink for you then? Or are you not thirsty? If you don't want anything' we can just go get what's next on the list.

[She'll easily go along with it, knowing his problem with sweets and his image.]