A/N: WOOT I am updating like a FIEND! Lol... much thanks for the reviews, they always help!

I don't know about this one... I hope I'm not moving too fast, but it seems like pretty good timing since I've limited Dianthe's action in the last couple chaps. I hate those fics where they like hate each other, and then all of a sudden they change and are like, "LETS MAKE OUT!" I wanna add some mystery to what happened to her. Let me know if its going to quickly.

Disclaimer: Harry Potternot mine... 'Nuff said.

How Do You Know Me

I was living my life
I was living on my own
Then I felt something weird
I lost my control

–Fingertips

"What do you think is with Costa?"

It was a week after their incident in the hallway, and Tom had finally been able to clear his head about it. That is, until his fellow Slytherin, Faris Willins, decided to bring her to his attention.

Tom glanced across the room filled with cauldrons billowing acid green gas. He noticed that she was talking animatedly with her friends, and laughing uncontrollably at something the Gryffindor Quidditch Champion had said. She had already finished her potion, which he noted, seemed almost perfect, except that it needed to be just a hint greener.

"What do you mean?" Tom replied quickly.

Faris grinned at him and spoke again, smoothly. "We've been in school for a week, and she hasn't screamed at you in front of everyone yet. I mean, are you gonna prank her or something?"

"I don't pull pranks," Tom said haughtily, staring down at Faris. "You know that."

Confusion was written everywhere on Faris's somewhat pointy face. Faris had been known to be quite the prankster himself, and prided himself in tormenting the younger students, especially Gryffindors. He was extremely short, so he was lucky to be humorous at the best of times.

"Well, then what's going on?"

"I don't know!" Tom said, exasperated.

It wasn't as if he hadn't tried to get under her skin. He had insulted her in front of her friends, with which she just shrugged, as her annoying friends came to her rescue. It seemed to be some unwritten agreement that whenever he came to affront her, one of her own minions would say something nasty. Although, it was quite intriguing at first to have girls that he'd never spoken to yell at him, it became old. They would normally come up with the same angry retort, and it tended to bore him. At least when he was angry with Dianthe, it was because she came up with something new to throw at him every time.

"Oh God. You don't think she's stopped hating you all together!" Faris said melodramatically, clutching his heart.

Tom smirked at him. "Hah–that's doubtful, Willins."

"It's just kinda odd to see her ignore you," he said thoughtfully, sucking his quill absentmindedly.

"No shit."

Tom had figured this out a while ago, though he would never let Willins know that. She had finally found a more effective way to torment him. Tom was reluctant to admit it, but it was working. He was unnerved of how well it was working. He wanted to hear something intelligent, and he certainly wasn't getting it anywhere else. He had to break her.

His wand movements were perfect, but the energy he needed to make the spell go right wasn't working well. Tom was perturbed by the creature in front of him. No matter what he did, the spell just didn't seem to work right.

"Crucio!" he hissed quietly, not wanting to draw attention to himself.

The creature became stiff and locked in pain for a moment, then slumped back to its original position.

Jotting down the effects in the small, black diary. The classroom was empty, and he was sure to get a weeks worth of detentions if found down here. Again, Tom wasn't phased by this. Only one more year of this, and he would finally be free. Free to do whatever he liked.

Besides, he thought convincingly, it's not like anyone is gonna come down here.

One could imagine his surprise when the door opened. His eyes widened, as he began shoving things into his pack at a dangerous pace. Millions of thoughts littered his normally clear mind as he shoved the dark magic book in. He prayed it wasn't a teacher. That it was a couple of first years who were lost, or a couple getting ready to engage in relations.

Please don't let it be Dumbledore...

"No need to put your stuff away, Riddle." that awfully familiar voice rang into the room, noting a hint of amusement. He immediately stopped shuffling through papers, and looked up, slowly.

Shit... that's worse than Dumbledore...

"Costa?"

She waved delicately.

"We need to talk."

Tom sat back down, calmly, even though his mind was still racing. The extra adrenaline didn't seem to want to leave his body. He drummed his fingers against the table nervously. She noticed and smirked at him.

Stop it, he thought, immediately resisting the temptation to do anything to show weakness.

"Well Riddle, I didn't see you as the type to keep a diary," she said, eyeing the little black book. (A/N I fucking hated that movie! Lol... sorry... back to the story!)

He snatched the book up, and narrowed his eyes. Oh how he hated her. Especially now when she had something that she could use on him. He wanted to wipe that smirk off her angelic face.

"How did you know I was here?"

"Faris Willins told me," Damn him.

"And why would he do that?"

"I told him you had stolen my wand, and that I was going to beat you to a pulp."

Tom smirked. She had a way of keeping him comfortable when she wanted him to be. That's probably why she has so many friends...

"That would do it, I suppose."

She sighed softly and leaned back into her chair. She seemed to be examining him. He felt like a freak at the carnival that she was examining. He loathed this feeling unbeknownst to him. She was disgustingly calm as she stared at him. He glared angrily at her, but this only made her grin widen. Sadly, she seemed to think this was a comfortable silence.

Finally she spoke softly.

"So you can do Legilmency?"

This was too much for him to handle. How did she know? She was too smart for her own good. He was infuriated by the way she seemed to know a lot of things about him.

"No, what would give you that idea?" he sneered.

The smile vanished from her face.

"How much of an idiot do you think I am?"

Now this was more like it.

"How did you know?"

She sighed, finally diverting her eyes from his face. He noticed she looked more tired and forlorn then he'd ever seen her.

"Last year... we were fighting," he rolled his eyes.

"Your gonna have to be more specific then that."

"Shut up. Like I said... we were fighting. You said that no wonder that French guy didn't like me. The thing is... I didn't tell anyone about that. 'Cause it was so embarrassing at the time."

She laughed softly.

Whatever Tom had been expecting, it surely wasn't that.

"You based it on something that trivial? It could've been a guess."

Her eyes shot up. "You never say trivial things unless you know they are true, Tom."

This was getting way too personal. Tom tensed at the sound of his own name. She wasn't allowed to say that. Apparently she'd sensed his sudden revulsion, and quickly rebounded.

"Well... I thought since you owe me for not telling anyone about those books... and now the fact that your practicing curses, unsupervised, in an empty classroom... Maybe you could teach me Legilimency..."

Tom blinked. "Excuse me?"

"You heard me."

"And why, may I ask, would you want to learn?"

She smiled mischievously.

"That, I'm afraid, is none of your business."

His temper flared. "How do you expect me to"

"Come on, just give me a couple of lessons."

Tom battled with himself. She annoyed the hell out of him, but if he didn't, she'd probably tell one of the professors everything that had been going on. That would lead to some interesting questions... Plus, he supposed it wouldn't hurt doing something for her. Perhaps she could help him with those curses...

Tom laughed at himself. Yeah right, she'd never get mixed up in that type of thing. What would it hurt? He'd get out of the dormitory for a little while and be able to avoid those younger Slytherins who constantly bombarded him with questions. Truth be told, he was tempted to practice Legilimency a little more for himself as well. He just never was able to find someone to really practice it on.

Voldemort willed him not to.

Just say no... Call her a mudblood and walk out...

Tom supposed he could... just this once...

Say no.

"Fine," she beamed happily. "But this doesn't make us friends."

"I wouldn't think of it... Riddle."

Riddle... much better.

A/N: Tadaa! REVIEW BITCHES! Lol

Reviewers I'd like ta thank:

ContemporaryManner: Lol, I know they probably didn't have crack, but I just love that saying. Are you on crack? It's all good! Thanks for the props, I like Tom's character.

Gaerwen: I know! I love having strong characters, I get kinda sick of girls who don't exist in books.

Flavagirl: Lol I think we can all relate to Dianthe to a point. Thanks though, I love her too :)

LOVE YOU ALL!