A/N: This chapter contains Adele's One and Only, I strongly suggest you listen to it.. youtu[.]be/CoEplQ5eNn0

A/N2: Hope everyone is still enjoying this! Thanks for all the lovely reviews! Next chapter will probably be a little short and I will try to get it up as soon as I can.

"Sit down Frankenteen, this one isn't for you."

"Oh Jesus," I heard Mercedes sigh from somewhere behind me.

"Quiet," Kurt said as the snap of his fingers echoed through the room, "I smell drama."

My stomach was knotted and sitting somewhere in my throat area and that dizzy, nauseous feeling I had before had returned with a vengeance. The only thing I could think about was that Santana was about to embarrass herself. I knew what she was going to do. She was finally going to do the only thing I had been asking her for all this time. Except that she was setting herself up to get burned.

"Quinn," Santana beckoned her and with another apologetic look, Quinn rose from her seat, standing a step behind her to back her up.

Santana's eyes turned on Rachel for a brief moment and Rachel grabbed my arm, digging her nails into my skin as her fear returned. I used the fingers on my other hand to lazily stroke the back of her hand, but really I was too caught up in what Santana was doing to even realize that Rachel was near drawing blood.

"Don't San," I heard myself whisper, but I felt like I wasn't even in my body anymore.

Her face softened as her eyes fell on me and for a moment I thought she was going to listen to me. Her expression told me she was going to give in before things got messy, but then her eyes dropped down to Rachel's hand in mine and the fire was back behind her eyes.

She turned towards Brad and demanded, "Adele, One and Only."

The music began instantly and she shot a final glance at Rachel before her eyes calmed on me. I had seen that look before, it was exactly the same as when she had sang Songbird to me. Back when she didn't have the courage to do it in front of an audience.

You've been on my mind

I grow fonder every day,

Lose myself in time

Just thinking of your face

God only knows

Why it's taking me so long

To let my doubts go

You're the only one that I want

Her smokey voice reminded me of something inside me that I had missed. It was over. I was with Rachel. But as she sang to me, I could see all those good moments we had, the laughs we shared, the intimate nights, and it was sad to know that they were gone.

I don't know why I'm scared, I've been here before

Every feeling, every word, I've imagined it all,

You never know if you never try

To forgive your past and simply be mine

I could hear the apology in her voice and the begging for another chance. It tugged at my heart and made that nausea all too real. I could see her eyes begin to redden like Rachel's always did when she sung and I was just praying that no tears came. There had been too many tears.

I dare you to let me be your, your one and only

Promise I'm worthy to hold in your arms

So come on and give me the chance

To prove that I'm the one who can

Walk that mile until the end starts

I'd be lying if I said her voice wasn't sending chills up and down my spine. Her words were literally begging for a second chance and god she was doing it. She was finally singing her song to me in front of everyone and I wanted to enjoy it and marvel in it and just feel the infinite amount of pride for her for finally being brave. It all felt like a dream, but a dream from long ago, when it mattered.

Have I been on your mind

You hang on every word I say, lose yourself in time

At the mention of my name,

Will I ever know how it feels to hold you close?

And have you tell me whichever road I choose you'll go

I felt my head shaking slightly as I listened to the words, because they were all lies. For some reason, pangs of guilt erupted inside of me when I realized that only one person had been on my mind and it wasn't Santana, not anymore. Obviously Rachel should've been the only girl on my mind, she was my girl, but it hurt so much to betray Santana.

I don't know why I'm scared 'cause I've been here before

Every feeling every word, I've imagined it all,

You never know if you never tried

To forgive your past and simply be mine

Her eyes. So sad. I could see the tears filling her eyes and they must've been filling in mine too, because it was getting harder and harder to see her.

I dare you to let me be your, your one and only

I promise I'm worthy to hold in your arms

So come on and give me the chance

To prove that I'm the one who can

Walk that mile until the end starts

All I could think about was that if this was a few weeks sooner, I would be the happiest girl in the world. Instead, I felt like my entire world was crashing to pieces. It wasn't about Rachel, it was about watching my best friend in the whole world crumble before me and beg me for something that I couldn't give her.

I know it ain't easy

Giving up your heart

I know it ain't easy

Giving up your heart

Quinn's sultry voice sang along with Santana's and suddenly it was like I was letting them both down. Like I was suppose to know that Santana would eventually come around and that we were destined to live happily ever after.

(Nobody's perfect, trust me I've learnt it)

I know it ain't easy, giving up your heart

(Nobody's perfect, trust me I've learnt it)

I know it ain't easy, giving up your heart

The problem was, I had already given up my heart.

I know it ain't easy

Giving up your heart

To the beautiful songstress on my right.

So I dare you to let me be your, your one and only

I promise I'm worthy to hold in your arms

So come on and give me the chance

To prove I'm the one who can

Walk that mile until the end starts

Come on and give me a chance

To prove that I am the one who can

Walk that mile until the end starts.

The room was silent as the song ended and Santana took a moment to gently dab at the tears rolling down her cheeks, careful not to smudge her mascara. I couldn't speak, I didn't know what to say.

"Thank you, Santana," Mr. Schue said, finally breaking the silence when a couple awkward minutes passed, and everybody began to clap. Even if they knew it was inappropriate to sing a song like that to me with Rachel there, she did an amazing job of it and the applause marked that.

Santana dropped back down in the seat beside me and I could feel her eyes on me, but I refused to take my eyes off the whiteboard at the front of the room. I was stunned, definitely, but I also was not prepared to deal with what was to come after that song.

Rachel's nails were still dug deep in my arm and when I looked down at it, I realized that she had drawn blood. I couldn't even feel it. I couldn't look at her right now either, because I knew how terrified she was that she was about to lose me and I honestly didn't have the strength right then to convince her that I was hers. I hardly had the strength to breathe.

The rest of the club all sang their songs, most of the time breaking down into laughing fits by the end, but I could hardly pay attention. I knew I was about to lose Santana for good and it wasn't fair that I had to give up my best friend for my girlfriend.

"Remember guys, just a few weeks away until invitationals," Mr. Schue said as glee club came to an end, "Let's not get lazy just because we made it to Nationals last year."

Santana was the first to run out of the room as soon as Mr. Schue was finished and I was a little relieved that we weren't going to have a confrontation right there.

"So this is the boy from your synagogue," Kurt said, eyeing me up and down, "Not what I was picturing, Rachel."

"Sorry," Rachel said, looking towards me with a smirk, "We weren't ready to tell everyone yet."

"I understand," Mercedes said, coming up beside Kurt, "When Sam and I were dating, we thought it would be best for the club if we kept it low key."

"I'm gonna get my stuff from my locker," I said blandly, still shaken up and not ready to have a discussion with them about our relationship.

"I'll be right there," Rachel nodded and I grabbed my bag and headed out of the choir room.

"Don't you kinda feel like a pedophile, though," I heard Mercedes question as I left the room and I stopped on the other side of the wall to eaves drop on the conversation.

"What are you talking about," Rachel said and I could tell by the shaking in her voice that the question had upset her.

"Well," Kurt said for Mercedes, "You're sixteen and she's got the brain of a five year old."

"You don't know her at all," Rachel said angrily.

"Hey, I dated her too," Kurt said, "She wanted me to kiss her armpits."

I chuckled lightly at that, that was definitely all 'Stupid Brittany'.

"What," she said and I could hear the horrified shake in her voice.

"All craziness aside, Rachel," Mercedes cut in, "I'm really happy for you. And I really hope she doesn't break your heart."

"Mmmhmm," Kurt agreed, "Cause then we're gonna have to beat her pretty little Cheerio ass."

I smiled, knowing that Rachel was feeling pretty good right about now, knowing that she had friends who would stand up for her. I let her be and began to walk down the hall to my locker, noticing Santana standing and waiting by it. I sighed, knowing that we were about to have a talk I really did not want to have.

"I did it, Britt," Santana said softly as I fumbled with my locker combination.

"I'm really proud of you, San," I said sadly, refusing to meet her eyes as I opened my locker and began putting some books in my bag.

"I did it for you," she continued, "So you can see now how much I care."

I nodded and finally turned towards her, my heart breaking when I found her crying again, "Yeah, it was nice."

"So we can be together now," she asked, hopefully.

I sighed, "No, San, we can't."

"Why not," Santana demanded angrily.

"Because I'm with Rachel," I said, tired of the fact that I even needed to say this to her.

"No," Santana said, "See I did a lot of thinking and I understand now. This whole time I was wondering how in the hell you could fall for that midget and then it hit me. You were just doing it to make me jealous, so that I would realize my feelings and find the courage to stand up in front of everyone and do what you needed me to."

"That's not true," I said, shaking my head, "Rachel and I aren't together to make you jealous, I really like her."

"Come on," Santana groaned, taking my hand in hers, "Can't we just go back to my place and gets our sweet lady kisses on and put everything back to normal."

"No," I said firmly, not sure how I could be more clear to her, "I'm with Rachel."

"Why," Santana demanded, letting go of my hand and folding her arms across her chest, "Why does it have to be her?"

"Who would you rather it be," I asked, because really I didn't understand why the fact that it was Rachel meant anything different.

"Me," Santana shouted at me, "I'd rather it be me."

"San," I said, gently, "We had our moment, it just didn't work out for us. We both have to move on."

There was a pause as she just looked at me with such misery, "But I love you."

My heart was literally breaking and all I wanted to do was tell her things to make her feel better, but there wasn't anything for me to tell her, "I love you too, but only as my best friend."

"Please, Britt," Santana pleaded, "She's just a loser, be with me."

"I'm sorry," I said shaking my head as I closed my locker, "You're just going to have to accept that I'm with Rachel now."

As much as it hurt to leave her there crying, I had to. I turned around and found Rachel leaning against the lockers halfway down the hall. She was obviously eaves dropping and there was a small smile that she was trying to hide for mine and Santana's sake, but I knew what it was for. I rejected Santana for her and that was probably the biggest hurdle she needed me to cross in order to believe that she truly was my one and only.

I walked towards her and held out my hand for her to take and she took it with excitement as she bounced beside me. I couldn't help but smile at her and almost laughed as she began to swing our clasped hands.

Suddenly Rachel went flying forward and if I didn't have a strong hold on her hand, she would've gone face first into the ground. We both quickly spun around and found Santana, eyes ablaze as she lunged for her again, shoving her shoulders hard and sending her skidding down the hall on her ass.

"Santana," I shouted and tried to grab her, but she ducked under me and dove for Rachel.

"You ruined my life you stupid dwarf," Santana shouted, grabbing Rachel by the hair and forcing her back on her feet.

Rachel screamed in response and once again I was in motion, trying to get to Santana before she could do any serious damage. Just before I could grab onto her, she launched Rachel into the lockers, hitting her shoulder hard as she slid down into a heap on the floor. Her eyes wide in shock and tears streaming down her face as she watched Santana in horror.

I wrapped my good arm around Santana's neck and held her in a choke hold as I screamed, "What are you doing?"

Santana struggled against me, screaming out a slew of Spanish that was definitely all profanities, but I twisted her head and forced her to look down at Rachel.

"Look what you're doing," I whispered in her ear and she stopped thrashing for a moment. Rachel looked like a scared tiny girl, cowering away from her, "I really never thought you'd hurt her."

Santana had stopped moving and I let go of her, dropping down in front of Rachel and putting my hand on her cheek so she'd turn to look at me.

"Are you okay, Rach," I asked and her eyes slowly switched from me to Santana, still completely in shock. I shook her lightly and said, "Rachel, are you alright?"

She blinked and looked down at herself, "Yes, I-I think so."

Wrapping my good arm around her waist, I lifted her to her feet where she trembled while taking small, shaky steps. I glared at Santana and spat out, "I hope you realize you just lost any chance of us ever being friends again."

Santana looked just as shocked as Rachel did and I watched as she turned her gaze down to her hands, as if she couldn't believe what they had just done. I began to walk with Rachel down the hall towards the front doors to the school, keeping my arm tight around her waist for support.

"It wasn't for her, Britt," I heard Santana call from the other end of the hallway.

"I know," I said, turning back towards Santana, "It was for me."

I turned back around and opened the door for Rachel, helping her through as we got outside.

"What did you guys mean," Rachel asked softly, resting her head on my shoulder as we made our way to my car.

I didn't look at her, because I knew that Santana just realized something about herself and it really wasn't my secret to tell, "Better off if you don't know, Rach."