Disclaimer: I do not own the Mortal Instruments or any of the characters from the series. They all belong to Cassandra Clare. And the song How Did I Fall In Love With You is property of the Backstreet Boys. So really….I own absolutely nothing, except the idea to write this songfic.

How Did I Fall In Love With You?

Remember when, we never needed each other

The best of friends like

Sister and Brother

We understood, we'd never be,

Alone

Simon Lewis wasn't 100% sure when it happened. Maybe it was because all the other guys in the band were talking about girls and girlfriends, but one day, he looked over at Clary and he didn't think 'What a great friend she is'. He starting thinking 'What a great girlfriend she would be' and 'She looks really good in those jeans'

He just didn't understand it. This was Clary. Clary Fray, his best friend since….well, forever. She'd always been his best friend. But now, he was thinking that he didn't want her for a best friend. He wanted her for a girlfriend. He wanted to have a special place in her heart, a place more special than that slot labeled 'Best Friend'.

When the hell did that happen?

Those days are gone, and I want you so much

The night is long and I need your touch

Don't know what to say

I never meant to feel this way

Don't want to be

Alone tonight

Clary was like a sister to him. She always had been. Sure, he had his biological sister, but he had Clary too. He didn't want to risk their friendship by pursuing a relationship. But what if she wanted to be with him too, but didn't want to look like a fool if he didn't return her feelings? Simon's throat constricted what if she didn't return his feelings? Would they be able to remain friends? Or would their friendship come to an end, all because of him?

He didn't know what to do. He didn't know if what he felt for Clary was real, or if it was just his mind playing tricks on him. He knew he wanted to date. What if his heart thought his friendship was suppose to be more? What did his head think? Simon didn't know. All he knew what he didn't want to lose Clary. He also knew he didn't want to be alone.

What can I do, to make you mine

Falling so hard so fast this time

What did I say, what did you do?

How did I fall in love with you?

The other guys in the band were saying he should just pick a girl to ask out. Maybe they were right. Maybe he should just find someone who looks good in a mini skirt…someone who he doesn't have a close friendship to. Someone that if things went south, it wouldn't matter, because all it meant was he had to find a new girl. Maybe that was the way to go about it.

Or maybe he should figure out what he should do to make Clary his. Should he come right out and tell her? Should he drop subtle hints first? Simon shook his head. Clary was his best friend…shouldn't he know what would work and what wouldn't with her? What would draw her closer to him as opposed to send her running in the opposite direction?

I hear your voice

And I start to tremble

Brings back the child that, I resemble

I cannot pretend, that we can still be friends

Don't want to be,

Alone tonight

What can I do, to make you mine

Falling so hard so fast this time

What did I say, what did you do?

How did I fall in love with you?

Simon loved everything about Clary. He loved her looks, her voice, her laughter, and her smile. He loved that she cared about thing more important that her looks, or her makeup. He loved that she was a selfless person. He remembered the previous night at Pandemonium, and how she had seen two people carrying knives, and following someone else. He had never seen anything, and when he and the security guard showed up at the storage room where Clary said the figures had gone, the storage room was empty of everyone except Clary. She tries to pass it off as imagining it, but Simon knew better. From the look on Clary's face, he knew that was she saw – whatever it was – hadn't been imaginary.

Oh I want to say this right

And it has to be tonight

Just need you to know, oh yeah

I don't want to live this life

I don't want to say goodbye

With you I wanna spend

The rest of my life

Simon shook his head. He and Clary were going to listen to Eric read his poetry. It was bound to be terrible – Eric's poetry usually was – but Simon was his friend, and friends supported each other, even when they knew it was going to suck. And Clary was going as his friend…she didn't have to, but she wanted to. She wanted to be with him. Maybe she liked him after all…

Simon decided at that very moment. Tonight, while he was out with Clary, he would tell her how he feels. He would do it tonight. He couldn't go one more night wondering. He just hoped he wouldn't be alone after he told her, because he scared her away. He didn't want to have to say good-bye to Clary – in fact, he wanted to be with her forever….maybe someday she would go from being Clary Fray to Clary Lewis. Simon smiled at that. He liked the idea of marrying Clary. He liked the idea of getting to spend the rest of his life growing old with her.

What can I do, to make you mine

Falling so hard so fast this time

What did I say, what did you do?

How did I fall in love with you?

What can I do, to make you mine

Falling so hard so fast this time

Everything's changed, we never knew

How did I fall,

in love,

with you?

Author's Note: Not my best work, but it was my first shot at writing a TMI fanfiction. Plus, I am not the greatest at writing oneshots or songfics. Anyway…tell me what you guys think in a review, please!