[Blue hears the apartment door open, and then the lack of footsteps.... Right away, he knows it's Killua, and brightens into a grin as the other boy rounds the corner.]

Yo, [He starts, then glances to Killua's scuffed-up appearance with a bit of a frown. He was growing ....more used to it, but he still had a lot of questions he wasn't sure he wanted answered about whatever it was that Killua came home from so frequently, banged up and cheerful.]

[Oh well. He sets his thoughts aside for a moment, waving a hand over the bags on the table.] Some girl on the network was giving these cookies away and you were the only person I could think of that wouldn't barf after eating so many sweets. [Blue grins toothily] Think you can eat 'em all?

[He says it like he was doing a favor, but.... Blue was the one who pushed so hard to take so many of them. He may have had an ulterior motive, in hoping his friend would be happy with this....]