Operation: Incentive - Invader Zim fanfic (ZADF)

Skool.

Dib woke up the next morning feeling a little drowsy, and very uncomfortable. Gah, he thought, I fell asleep at the table again? Well, at least he didn't have to get dressed before Skool. He adjusted his collar, and as he did so, his fingers slipped over a red welt on his neck. He didn't know what it was, but didn't care particularly either. A bee sting maybe? A yell permeated the room from his open door.
"Dib, get up! The school bus will be here soon," Gaz informed him.
Dib didn't waste any more time. He grabbed his school bag from the corner, dusted some ripped paper off his desk and ran down the stairs, the welt forgotten.
Skool was never a boring affair for Dib. He may not enjoy Mrs. Bitters droning on and on, but school provided ample opportunity for him to keep an eye on Zim!

The school bus ride was uneventful; Gaz played on her Game Slave 2 and the rest of the kids ignored him. This annoyed Dib a little. How could they be so blind? But he chalked it up to human nature and left it at that.

Walking into the classroom, Dib fancied that Zim looked a little more smug than usual, and that was never a good sign. Zim might be a little dumb, Dib thought, but that makes him no less of a threat. Even if he was mentally challenged, Zim was smart. A formidable opponent. The only thing that stood between him and the destruction of the Earth was Dib, and he knew it. Dib strode over to his chair, feeling Zim's eyes on the back of his neck.

Dib took his chair and pulled out his favorite baby blue notebook. It was the first of the original Membrane Labs notebook series from when his dad started his TV series, and it would have been a real collector's item, but Membrane gave it to Dib instead. Dib's heart swelled with joy whenever he thought of his dad's words when he was given this notebook.
"You'll change the world someday, son."

Yes, Dad, he thought. I will.

He typed in the code to unlock the notebook (49213) and opened it gingerly. He kept a copy of all his notes in this notebook: if he ever lost them somehow, or if Zim tried to sabotage him, he'd still have all his research in his book.

Zim was still staring at him. It made him insanely uncomfortable, mainly because he recognized the stare. It was the same way that Dib stared at Zim everyday. A calculating stare. Trying to figure out changes in your opponent's behavior, plotting how to defeat him, questioning their biology.

Zim didn't normally look at like Dib like this. If the alien had received training wherever he came from, then evidently it wasn't very GOOD training. The little spaceboy went around openly asking questions about humanity's weaknesses, and often  communicates about his inhuman organs. Then again, most humans were fooled by this sorry act, so Dib couldn't complain about the training. His peers often enraged him: they had such short attention spans and didn't see what was going on around them. And the adults weren't much better either... Knowing his own father didn't believe him made the feeling ten times worse. An angry buzzing filled his ears. He could barely hear Mrs. Bitters droning on and on about chlamydia.
And suddenly, unexpectedly...
A sharp pain erupted in his neck.